Generated by Rank Math SEO, this is an llms.txt file designed to help LLMs better understand and index this website. # ELECALL: Industrial Measurement & Control Manufacturer | ELECALL ## Sitemaps [XML Sitemap](https://www.elecall.com/sitemap_index.xml): Includes all crawlable and indexable pages. ## Posts - [Turkey and AIIB Invest €400 Million in Advanced Wastewater Treatment for the Marmara Sea](https://www.elecall.com/industry-news/turkey-aiib-wastewater-treatment/): Source: Reuters | September 4, 2026 - [Australia Data Centre Firm NextDC Reports Rising Water and Energy Use](https://www.elecall.com/industry-news/data-centre-water-monitoring/): Australian data centre developer NextDC reported rising water and energy consumption over the past year as growing demand for computing capacity helped the company deliver stronger-than-expected financial results. - [HangZhou](https://www.elecall.com/exhibitions/hangzhou/): ELECALL Electrical will participate in the China International Air Conditioning, Ventilation, Refrigeration and Cold Chain Exhibition from October 22 to 24, 2026. - [[ELECALL · Latest News] A Successful Conclusion | ELECALL at WIETec 2026, Connecting Green Technology with New Possibilities](https://www.elecall.com/company-news/wietec-2026-elecall/): From June 9 to 11, the three-day WIETec 2026 successfully concluded. As the exhibition came to an end, ELECALL also successfully completed its latest offline brand showcase. - [[ELECALL · Latest News] ELECALL Shines at MICONEX 2026](https://www.elecall.com/company-news/miconex-2026-elecall/): The three-day 34th China International Measurement, Control and Instrumentation Exhibition (MICONEX 2026) successfully concluded on August 14 at the Hefei Binhu International Convention and Exhibition Center. - [Europe Can No Longer Treat Drought as a Freak Event: Water Management Solutions Are Becoming Essential](https://www.elecall.com/industry-news/europe-drought-water-management/): Source: Financial Times — “Letter: Europe can no longer treat drought as a freak event” - [ELECALL EFLT-2 Digital Float Level Transmitter Delivers Precise Level Management for a 15-Ton Liquid Storage Tank](https://www.elecall.com/technical-topics/eflt-2-liquid-level-control-solution/): In industrial production processes, liquid level management for large-capacity storage tanks requires not only accurate level monitoring but also long-term stability under complex operating conditions, corrosive environments, and continuous operation. - [Case Study: Customized EP20010-5 PP Multi-Point Float Level Switch for Compact Water Tank Control](https://www.elecall.com/technical-topics/ep20010-5-float-switch/): In compact water tanks and automated water replenishment systems, achieving reliable multi-point liquid level detection can be challenging. Limited installation space, closely spaced switching points, and the need for independent level signals require careful mechanical and electrical design. - [HeFei](https://www.elecall.com/exhibitions/hefei/): The 34th China International Measurement Control and Instrumentation Exhibition - [Industrial Bimetallic Thermometer : Reliable Temperature Monitoring for Harsh Industrial Environments](https://www.elecall.com/technical-topics/industrial-bimetallic-thermometer/): A bimetallic thermometer provides a reliable mechanical solution for these demanding conditions. Operating without external power, these industrial temperature gauges combine robust construction, simple operation, and long service life, making them widely used for local temperature monitoring in industrial systems. - [Why is the Max Scale Number on Your Pressure Gauge Printed Upside Down or Tilted? (It’s Not a Defect!)](https://www.elecall.com/technical-topics/why-is-the-max-scale-number-on-your-pressure-gauge-printed-upside-down-or-tilted-its-not-a-defect/): When installing or reading a pressure gauge, have you ever noticed something strange about the final number on the dial? - [EM2000H Differential Pressure Gauge Value Frozen or Unable to Zero? Don’t Worry! Fix It Easily in Two Steps](https://www.elecall.com/technical-topics/em2000h-differential-pressure-gauge-value-frozen-or-unable-to-zero-dont-worry-fix-it-easily-in-two-steps/): Have you ever encountered this frustrating issue when using the ELECALL EM2000H intelligent differential pressure gauge? - [ELECALL ZEF-LUGB Vortex Flowmeter: Industrial Flow Measurement Guide for Steam, Gas and Liquid Applications](https://www.elecall.com/technical-topics/industrial-vortex-flowmeter-guide/): The real performance of an industrial vortex flowmeter depends not only on sensor accuracy but also on mechanical design, signal stability, and proper installation. - [Bimetallic Thermo Gauge – Reliable Temperature Measurement Solution for Industrial Applications](https://www.elecall.com/technical-topics/bimetallic-thermo-gauge-reliable-temperature-measurement-solution-for-industrial-applications/): In the demanding landscape of modern industrial production, temperature monitoring is not merely a task—it is a critical necessity for safety, efficiency, and quality control. Among the various sensing technologies available, the Bimetallic Thermo Gauge remains a cornerstone for medium and low-temperature monitoring. Elecall, a leader in industrial technical solutions, provides a Bimetallic Thermo Gauge series designed specifically to deliver unparalleled reliability and precision for complex field applications. - [EM15-2 Float Switch | Reliable Liquid Level Control Solution for Industrial and Wastewater Applications](https://www.elecall.com/technical-topics/em15-2-float-switch/): The EM15-2 Float Switch is a durable and efficient liquid level control device designed for automatic monitoring and pump control in water tanks, sewage systems, wastewater treatment plants, and a wide range of industrial liquid storage applications. It is widely used in modern water management systems where stable performance, long service life, and reliable switching are required. - [ShangHai](https://www.elecall.com/exhibitions/shanghai-3/): 2026 WieTec – World Environment & Water Technology Expo - [The Right Temperature Sensor for Every Industrial Challenge: ELECALL WZPT-03 and WRNT-01/WZPT-01](https://www.elecall.com/technical-topics/the-right-temperature-sensor-for-every-industrial-challenge-elecall-wzpt-03-and-wrnt-01-wzpt-01/): Meta Description: Discover how ELECALL's WZPT-03 waterproof PT100 temperature sensor and WRNT-01/WZPT-01 spring-loaded thermocouple and RTD series deliver precision, durability, and versatility across industrial applications — from water systems and HVAC to injection molding and process automation. - [l Pressure Gauges: Technical Comparison and Selection Guide](https://www.elecall.com/technical-topics/l-pressure-gauges-technical-comparison-and-selection-guide/): Pressure gauges remain one of the most widely used instruments in industrial systems because they provide reliable pressure monitoring without requiring external power. Among the various installation types, radial stainless steel pressure gauges are especially popular due to their simple installation, excellent readability, and durability in industrial environments. - [Intelligent Water Level Control Box: EDF vs ESF Series Technical Overview and Industrial Application Comparison](https://www.elecall.com/technical-topics/intelligent-water-level-control-box-edf-vs-esf-series-technical-overview-and-industrial-application-comparison/): In modern water supply automation systems, intelligent water level control boxes are widely used for pump protection, tank level management, and unattended water system operation. Compared with traditional float switches or simple relay controllers, intelligent control boxes integrate signal sensing, logic control, and pump switching protection into a single system, making them more suitable for industrial automation environments. - [Automatic Water Level Controllers: Technical Comparison of Float Switches, Relay Systems, and EDF-96 Series Controllers](https://www.elecall.com/technical-topics/automatic-water-level-controllers-technical-comparison-of-float-switches-relay-systems-and-edf-96-series-controllers/): Among these solutions, the EDF-96 Series Automatic Water Level Controllers from ELECALL provide a combination of electronic control, automatic pump management, flexible wiring, and multi-voltage compatibility. - [EDF-96A/B Automatic Water Level Controller: Intelligent Pump and Water Tank Management Solution](https://www.elecall.com/technical-topics/edf-96a-b-automatic-water-level-controller-intelligent-pump-and-water-tank-management-solution/): The ELECALL EDF-96A/B Automatic Water Level Controller is designed as a compact and intelligent water level control solution for automatic pump management and tank liquid level monitoring. With stable electronic control technology, automatic refill and drainage functions, and multiple wiring modes, the EDF-96A/B series is widely used in residential, commercial, agricultural, and industrial water systems. - [Solar Magnetic Automatic Water Level Control Valves: Technical Comparison of Plastic and Stainless Steel Top Inlet & Side Inlet Models](https://www.elecall.com/technical-topics/solar-magnetic-automatic-water-level-control-valves-technical-comparison-of-plastic-and-stainless-steel-top-inlet-side-inlet-models/): Efficient and reliable water level control is essential in modern water supply systems, solar water tanks, industrial reservoirs, and automatic refill applications. Traditional float valves often suffer from mechanical wear, unstable shutoff, leakage, and poor durability under long-term operation. - [EM2000 Series Differential Pressure Gauges: Mechanical and Digital Solutions for Industrial Pressure Monitoring](https://www.elecall.com/technical-topics/em2000-series-differential-pressure-gauges-mechanical-and-digital-solutions-for-industrial-pressure-monitoring/): In industrial automation and process control systems, accurate differential pressure measurement is essential for monitoring filters, air systems, and fluid performance. The EM2000 Series differential pressure gauges from ELECALL provide a complete range of mechanical and digital solutions for air and non-corrosive gas applications. - [EM15 Series Cable Float Switches: Flexible Liquid Level Control Solutions for Water and Industrial Applications](https://www.elecall.com/technical-topics/em15-series-cable-float-switches-flexible-liquid-level-control-solutions-for-water-and-industrial-applications/): Reliable liquid level control is essential for water treatment, pump automation, wastewater systems, and industrial fluid management. The EM15 Series cable float switches are designed to provide stable, safe, and cost-effective liquid level detection for a wide range of applications. - [UQK Series Stainless Steel Flange Float Level Switch: Durable and Precise Liquid Level Detection for Industrial Applications](https://www.elecall.com/technical-topics/uqk-series-stainless-steel-flange-float-level-switch-durable-and-precise-liquid-level-detection-for-industrial-applications/): Accurate and reliable liquid level detection is crucial in industrial automation, process control, and fluid management systems. The UQK Series stainless steel flange float level switch is a high-quality float switch designed for precise liquid level monitoring in tanks, reservoirs, and vessels. Its stainless steel construction, flange mounting design, and durable float mechanism ensure reliable performance even in demanding industrial environments. - [GSK Series Stainless Steel Single-Ball Float Level Switch: Long Rod, High-Precision Liquid Level Control](https://www.elecall.com/technical-topics/gsk-series-stainless-steel-float-level-switch-reliable-industrial-liquid-level-control-solution/): Accurate and reliable liquid level detection is essential for industrial automation and fluid management systems. The GSK Series stainless steel single-ball float level switch is a high-performance reed switch liquid level controller designed for precise monitoring of water, oil, and industrial liquids in tanks and containers. - [Stainless Steel Flange Mounted Float Level Switch (Single vs Double Ball): Industrial Liquid Level Control Solution](https://www.elecall.com/technical-topics/stainless-steel-flange-mounted-float-level-switch-single-vs-double-ball-industrial-liquid-level-control-solution/): In industrial liquid level control systems, installation stability and reliable switching performance are essential for safe and efficient operation. The stainless steel flange mounted float level switch is specifically designed for industrial tanks, pressure vessels, and process systems that require strong mechanical installation and accurate liquid level monitoring. - [1 Inch Thread Stainless Steel Float Level Switch with Waterproof Sealed Head (Single vs Double Ball)](https://www.elecall.com/technical-topics/1-inch-thread-stainless-steel-float-level-switch-with-waterproof-sealed-head-single-vs-double-ball/): In modern industrial and commercial liquid level control systems, reliability and sealing performance are critical. The 1 inch threaded stainless steel float level switch with waterproof sealed head is designed to deliver stable liquid level detection, excellent sealing performance, and long-term durability in a wide range of applications. - [Straight Rod Low Density Float Level Switch with Hirschmann Connector (Single vs Double Ball)](https://www.elecall.com/technical-topics/straight-rod-low-density-float-level-switch-with-hirschmann-connector-single-vs-double-ball/): In industrial liquid level control systems, standard float switches are not always suitable for low-density liquids such as oils, chemical solutions, alcohol-based liquids, or light-density industrial media. To solve this issue, ELECALL developed the Straight Rod Low Density Float Level Switch with Hirschmann Connector, available in both single-ball and double-ball configurations. - [Straight Rod Stainless Steel Float Level Switch with Hirschmann Connector (Single vs Double Ball)](https://www.elecall.com/technical-topics/straight-rod-stainless-steel-float-level-switch-with-hirschmann-connector-single-vs-double-ball/): Accurate liquid level detection is critical for industrial automation systems, and stainless steel float level switches are among the most reliable solutions. ELECALL offers two advanced variants equipped with Hirschmann connectors: the single-ball float switch and the double-ball float switch. These switches combine durable stainless steel construction with a professional industrial connector for easy installation, secure wiring, and maintenance efficiency. - [1 Inch Thread Stainless Steel Float Level Switch (Single vs Double Ball): Features, Applications and Selection Guide](https://www.elecall.com/technical-topics/1-inch-thread-stainless-steel-float-level-switch-single-vs-double-ball-features-applications-and-selection-guide/): In liquid level control systems, installation compatibility and structural reliability are critical factors. The 1 inch threaded stainless steel float level switch is a widely used solution designed for accurate, stable, and easy-to-install liquid level detection in tanks and containers. - [Adjustable Single-Ball vs Double-Ball Stainless Steel Float Switch: Structure Differences and Application Guide](https://www.elecall.com/technical-topics/adjustable-single-ball-vs-double-ball-stainless-steel-float-switch-structure-differences-and-application-guide/): In industrial liquid level control systems, adjustable float switches are widely used due to their flexible installation and strong on-site adaptability. ELECALL offers two main types: the adjustable single-ball stainless steel float switch and the adjustable double-ball stainless steel float switch. Both products use stainless steel float construction and reed switch technology, but they differ in control logic, adjustment capability, and application scenarios. - [ELECALL Level Measurement & Control Solutions: Comprehensive Float Switches and Liquid Level Sensors](https://www.elecall.com/technical-topics/elecall-level-measurement-control-solutions-comprehensive-float-switches-and-liquid-level-sensors/): Accurate and reliable liquid level measurement is critical across industries, from household appliances and water treatment to industrial automation and chemical processing. ELECALL offers a wide range of high-quality level switches, float level switches, level transmitters, and controllers designed to meet diverse application needs with excellent durability, flexibility, and cost-effectiveness. - [Single Ball vs Double Ball Adjustable Stainless Steel Float Level Switch: Flexible Liquid Level Control Solutions by ELECALL](https://www.elecall.com/technical-topics/single-ball-vs-double-ball-adjustable-stainless-steel-float-level-switch-flexible-liquid-level-control-solutions-by-elecall/): In modern liquid level monitoring and automation systems, adjustable stainless steel float switches are widely favored for their reliability, corrosion resistance, and installation flexibility. ELECALL offers two popular configurations in this category: the Single Ball Adjustable Stainless Steel Float Switch and the Double Ball Adjustable Stainless Steel Float Switch. Both are designed for vertical installation with the unique advantage of adjustable control points, making them highly versatile for various tank sizes and application requirements. - [Side Mount Stainless Steel Float Level Switch: Single Ball vs Double Ball – Reliable Side Installation Solutions by ELECALL](https://www.elecall.com/industry-news/side-mount-stainless-steel-float-level-switch-single-ball-vs-double-ball-reliable-side-installation-solutions-by-elecall/): In industrial liquid level control, side mount stainless steel float level switches are essential for tanks where top mounting is impractical due to limited space, internal agitators, or structural constraints. These switches provide accurate, reliable point-level detection and are widely used in water treatment, HVAC, household appliances, and light industrial systems. - [Side Mount Stainless Steel Float Level Switch (Single Ball & Double Ball) – ELECALL](https://www.elecall.com/technical-topics/side-mount-stainless-steel-float-level-switch-single-ball-double-ball-elecall/): ELECALL’s Side Mount Stainless Steel Float Level Switches are highly reliable, compact, and durable solutions for precise liquid level detection and control. Designed specifically for side installation, these switches are ideal for tanks where top mounting is restricted due to space limitations, agitators, or structural constraints. - [Single-Ball vs Double-Ball Stainless Steel Float Level Switch: Technical Comparison and Applications](https://www.elecall.com/technical-topics/single-ball-vs-double-ball-stainless-steel-float-level-switch-technical-comparison-and-applications/): Accurate liquid level detection is a cornerstone of modern industrial automation. Among the most reliable solutions are stainless steel float level switches, which are widely used in industries ranging from water treatment to chemical processing. ELECALL offers two main variants: the single-ball stainless steel float switch and the double-ball stainless steel float switch. Though both share the same fundamental operating principle, their design differences make them suitable for distinct applications. - [Side-Mounted Plastic Float Switch vs Duckbill Float Switch vs PVDF Float Level Switch: Technical Differences and Selection Guide](https://www.elecall.com/technical-topics/side-mounted-plastic-float-switch-vs-duckbill-float-switch-vs-pvdf-float-level-switch-technical-differences-and-selection-guide/): In modern industrial liquid level control systems, side-mounted float switches are widely used due to their simple structure, reliability, and cost-effectiveness. However, different structural designs and material choices can significantly impact performance. Among the most common options are the standard side-mounted plastic float switch, the duckbill-type plastic float switch, and the upgraded PVDF duckbill float level switch. Understanding their differences is essential for selecting the right solution for your application. - [EP Series PP Plastic Float Level Switch: Cost-Effective Polypropylene Liquid Level Sensor for Reliable Water and Chemical Control (ELECALL)](https://www.elecall.com/technical-topics/ep-series-pp-plastic-float-level-switch-cost-effective-polypropylene-liquid-level-sensor-for-reliable-water-and-chemical-control-elecall/): In today’s demanding liquid level control applications, finding the right balance between performance, durability, and affordability is essential. The EP Series PP Plastic Float Level Switch from ELECALL provides an outstanding solution for household appliances, water treatment systems, and light industrial environments. Made from high-quality polypropylene (PP), this lightweight and corrosion-resistant plastic float level switch delivers stable and accurate level detection at a competitive price. - [High Temperature Cable Float Switch Comparison: ELECALL EFQS-HM180 & EFQS-H vs Market Competitors – Superior Reliability, Durability, and Value in 2026](https://www.elecall.com/technical-topics/high-temperature-cable-float-switch-comparison-elecall-efqs-hm180-efqs-h-vs-market-competitors-superior-reliability-durability-and-value-in-2026/): In industrial liquid level control, high temperature cable float switches are essential for reliable operation in boilers, hot water tanks, chemical storage, sewage systems, and aggressive environments where standard plastic or low-temp sensors fail. As demand grows for robust, corrosion-resistant solutions that handle extreme heat, vibration, and corrosive liquids, buyers compare options from global brands and generic suppliers. - [High Temperature Cable Float Switch: EFQS-HM180 & EFQS-H Stainless Steel Liquid Level Sensors for Reliable Control (ELECALL)](https://www.elecall.com/industry-news/high-temperature-cable-float-switch-efqs-hm180-efqs-h-stainless-steel-liquid-level-sensors-for-reliable-control-elecall/): In demanding industrial and high-temperature environments, reliable liquid level control is essential. ELECALL’s EFQS-HM180 and EFQS-H high temperature cable float switches deliver robust, accurate performance for automatic water supply, drainage, and level monitoring. - [How to Choose the Right Industrial Pressure Transmitter for Your Application](https://www.elecall.com/technical-topics/how-to-choose-the-right-industrial-pressure-transmitter-for-your-application/): In modern industrial automation, selecting the right pressure transmitter is critical for system performance, safety, and longevity. With a wide range of options available, how do you determine which one fits your specific application? - [Duckbill Side Mount Float Level Switch: PP & PVDF Solutions for Reliable Liquid Level Control (ELECALL)](https://www.elecall.com/technical-topics/2089/): The duckbill side mount float level switch is a compact, highly sensitive, and reliable solution for liquid level detection and control. Designed for side installation, it is ideal for tanks with limited space or where top mounting is not feasible. Its unique duckbill structure allows flexible mounting while ensuring stable switching performance, making it widely used in both household appliances and industrial systems. - [PP Plastic Float Level Switch: Advantages, Features & Applications (ELECALL)](https://www.elecall.com/technical-topics/pp-plastic-float-level-switch-advantages-features-applications-elecall/): A PP plastic float level switch is one of the most widely used solutions for liquid level detection and control. Known for its lightweight structure, excellent corrosion resistance, and cost-effectiveness, it is widely applied in both household appliances and industrial systems. - [Global Leading Float Switch Manufacturers: Industry Overview & Why Choose ELECALL](https://www.elecall.com/industry-news/global-leading-float-switch-manufacturers-industry-overview-why-choose-elecall/): Float switches are essential components in liquid level measurement and control systems across industries such as water treatment, petrochemical, food processing, HVAC, and industrial automation. As global demand for reliable and cost-effective level control solutions continues to grow, several well-known manufacturers have established strong reputations in the market. - [Float Switch Purchasing Guide: Top 10 Concerns Buyers Care About (ELECALL)](https://www.elecall.com/technical-topics/float-switch-purchasing-guide-top-10-concerns-buyers-care-about-elecall/): When purchasing float switches, customers focus not only on price, but also on reliability, compatibility, and long-term performance. Whether for engineering projects, equipment integration, or distribution, understanding these key concerns can significantly improve selection efficiency and reduce risks. - [Why Float Switch Not Working: Common Causes, Troubleshooting & Solutions (2026 Guide)](https://www.elecall.com/technical-topics/why-float-switch-not-working-common-causes-troubleshooting-solutions-2026-guide/): Float switches (also known as float level switches) are critical components in industrial automation for accurate liquid level detection and control. Used widely in water treatment, metallurgy, petrochemicals, fire protection, and pumping systems, a malfunctioning float switch can lead to overflows, equipment damage, or production halts. If you’re searching “why float switch not working,” you’re not alone—this is one of the most common issues in level control applications. - [Float Switch Applications: Industrial & Residential Liquid Level Control Solutions (ELECALL)](https://www.elecall.com/technical-topics/float-switch-applications-industrial-residential-liquid-level-control-solutions-elecall/): Float switches are widely used in both industrial and residential applications due to their simple structure, high reliability, and cost-effectiveness. From basic water tank level control to complex chemical process monitoring, float switches play a crucial role in liquid level management. - [Float Switch Single Float vs Dual Float: Structure, Working Principle & Selection Guide (ELECALL)](https://www.elecall.com/technical-topics/float-switch-float-ball-guide-materials-stainless-steel-vs-pp-and-single-vs-dual-float-design/): In liquid level control systems, the structure of a float switch—single float (single ball) or dual float (double ball)—directly impacts control accuracy, automation capability, and system safety. - [Float Switch Selection Guide: Working Principle, Types, Installation & Troubleshooting (2026 Updated)](https://www.elecall.com/technical-topics/float-switch-selection-guide-working-principle-types-installation-troubleshooting-2026-updated/): A float switch is one of the most commonly used and reliable liquid level control devices in both industrial and residential applications. With its simple structure and stable performance, it is widely used in water tanks, towers, sewage pits, oil tanks, and chemical storage systems. ## Pages - [Become Our Partner](https://www.elecall.com/become-our-partner/) - [Water Treatment](https://www.elecall.com/solutions/) - [Cart](https://www.elecall.com/cart/) - [Return Policy](https://www.elecall.com/return-policy/) - [Terms of Service](https://www.elecall.com/terms-of-service/) - [Privacy Policy](https://www.elecall.com/privacy-policy/) - [404](https://www.elecall.com/404-2/) - [Thanks](https://www.elecall.com/thanks/) - [Blog](https://www.elecall.com/blog/) - [About Us](https://www.elecall.com/about-us/) - [Factory](https://www.elecall.com/factory/) - [Water Treatment](https://www.elecall.com/solutions/water-treatment/) - [Solutions](https://www.elecall.com/solutions/) - [Products](https://www.elecall.com/products/) - [FAQ](https://www.elecall.com/faq/) - [Certificates](https://www.elecall.com/certificates/) - [Download](https://www.elecall.com/download/) - [Contact Us](https://www.elecall.com/contact-us/) - [HOME](https://www.elecall.com/) ## Products - [LZT Series Panel-Mount Flowmeter](https://www.elecall.com/product/lzt-series-panel-mount-flowmeter/): Clear Visual Reading – Transparent tube and clear scale for easy flow monitoring. Compact Panel-Mount Design – Space-saving structure for convenient equipment integration. Durable PVC Connections – PVC interfaces provide reliable and practical system connections. Reliable Sealing – Silicone O-ring helps ensure effective sealing and stable operation. - [EM700 Inclined Tube Red Oil Micro Differential Pressure Gauge](https://www.elecall.com/product/em700-inclined-tube-red-oil-micro-differential-pressure-gauge/): Inclined Column Design: Physical magnification enables high sensitivity and precise micro-differential pressure readings without power supply. Ultrasonic Seal: Precision ABS construction with ultrasonic welding prevents oil leakage for long-lasting durability. Low-Volatility Red Oil: Specially formulated 0.826 specific gravity red oil provides high visibility and low evaporation. Overpressure Protection & Easy Zeroing: Built-in overflow safety reservoir, integrated leveling bubble, and zero-adjustment knob ensure simple setup and safe operation. - [803 Submersible Level Transmitter](https://www.elecall.com/product/803-submersible-level-transmitter/): Hydrostatic submersible level transmitter 304 stainless steel housing with 316L diaphragm IP68 waterproof design for long-term immersion Stable 4–20mA output, optional RS485 communication High-precision diffused silicon sensing element Double-shielded vented cable for anti-interference performance Custom measuring range and cable length available 803S version with integrated digital display Suitable for tanks, wells, reservoirs, sewage, and industrial liquid level monitoring - [WRNT-01 Spring Loaded Thermocouple (K/E Type) / Pt100 RTD Sensor](https://www.elecall.com/product/wrnt-01-spring-loaded-thermocouple-wzpt-01-spring-loaded-pt100-rtd-temperature-sensor/): Vibration-Resistant Surface Contact: Spring-loaded bayonet design ensures constant, optimal contact for fast response (≤20s) and accurate readings. Broad Compatibility: Available in K, E, J thermocouples and Pt100 RTDs for versatile industrial applications. Durable Construction: Stainless steel probe delivers outstanding corrosion resistance and long-term stability. Standard Industrial Mounting: M12×1.5 threaded connector allows easy, secure installation in machinery, molds, and HVAC systems. - [ESF Intelligent Water Level Control Box (Three Phase)](https://www.elecall.com/product/esf-intelligent-water-level-control-box-three-phase/): Automatic water filling and drainage control Tank linkage control system Water shortage protection function Three-phase 380V power supply Waterproof and dustproof metal enclosure Suitable for industrial and commercial pump systems - [Stainless Steel Float Water Level Controller EDF-1602E](https://www.elecall.com/product/stainless-steel-float-water-level-controller-edf-1601e-1602e/): Automatic water filling and drainage control Single float and dual float versions available High and low level alarm function Stainless steel float detection Waterproof and dustproof design Suitable for pump control applications - [Automatic Water Level Controller EDF-96E/F/G/H](https://www.elecall.com/product/automatic-water-level-controller-edf-96e-f-g-h/): Automatic water filling and drainage control Terminal wiring with active or passive output DIN rail and screw mounting supported Supports intermediate refill and drainage Stable operation with industrial relay Suitable for pump loads up to 3000W - [Automatic Water Level Controller EDF-96D](https://www.elecall.com/product/automatic-water-level-controller-edf-96d/): Automatic water level control system Supports automatic switching operation Compact DIN rail installation design Suitable for pump control applications Low power consumption design Reliable industrial control structure - [Automatic Water Level Controller EDF-96A/B](https://www.elecall.com/product/automatic-water-level-controller-edf-96a-b/): Automatic water supply and drainage control High-sensitivity stainless steel probe detection Industrial MCU control with stable performance 10V DC isolated probe design for safer operation Supports water shortage protection function 30A high-power relay output - [Magnetic Automatic Water Level Control Valve(Stainless Steel Side Inlet)](https://www.elecall.com/product/magnetic-automatic-water-level-control-valve-stainless-steel-side-inlet/): Automatic water level control without electricity Side inlet structure for stable water flow control Magnetic float control with sensitive response 304 stainless steel body with corrosion resistance Dual filtration structure for cleaner water Available in internal and external installation types - [Magnetic Automatic Water Level Control Valve(Stainless Steel Top Inlet)](https://www.elecall.com/product/magnetic-automatic-water-level-control-valve-stainless-steel-top-inlet/): Automatic water level control without electricity Top inlet structure for stable water flow control Magnetic float control with sensitive response 304 stainless steel body with corrosion resistance Dual filtration structure for cleaner water Available in internal and external installation types - [Solar Magnetic Automatic Water Level Control Valve(Plastic Side Inlet)](https://www.elecall.com/product/solar-magnetic-automatic-water-level-control-valve-plastic-side-inlet/): Automatic water level control without electricity Side inlet structure for vertical water supply systems Magnetic float control with sensitive response PA66 material with strong corrosion resistance Dual filtration structure for cleaner water Available in internal and external installation types - [EM2000 Differential Pressure Gauge](https://www.elecall.com/product/em2000-differential-pressure-gauge/): Mechanical pointer differential pressure gauge for low pressure measurement Wide measurement range with high accuracy and low error Shock-resistant and anti-vibration design for stable readings Clear scale dial for easy and accurate reading Durable full aluminum alloy housing with transparent cover Suitable for clean rooms, HVAC systems, and filtration monitoring - [Solar Magnetic Automatic Water Level Control Valve(Plastic Top Inlet)](https://www.elecall.com/product/solar-magnetic-automatic-water-level-control-valve-plastic-top-inlet/): Automatic water level control without electricity Top inlet structure for vertical water supply systems Magnetic float control with sensitive response PP material with strong corrosion resistance Dual filtration structure for cleaner water Available in internal and external installation types - [EM15-221 High-Sensitivity Mercury Cable Float Level Switch](https://www.elecall.com/product/em15-221-high-sensitivity-mercury-cable-float-level-switch/): High-sensitivity mercury float level controller Automatic liquid level adjustment and pump control Stable mercury switch with reliable conductivity Suitable for sewage, oil, and weak chemical liquids Easy installation with maintenance-free operation Multiple cable lengths available for customization - [EM15-5 Teardrop Shape Cable Float Switch](https://www.elecall.com/product/em15-5-teardrop-shape-cable-float-switch/): Teardrop shape float switch with stable floating performance Streamlined design reduces liquid wave interference Micro switch structure with reliable operation PP float body with corrosion resistance Suitable for pumps, tanks, and wastewater systems Multiple cable lengths available for customization - [EM15 Plug-and-Play PVC Cable Float Switch](https://www.elecall.com/product/em15-plug-and-play-pvc-cable-float-switch/): Plug-and-play float switch with no complicated wiring Direct connection for pumps and motors Heavy-duty 1mm² PVC cable structure Micro switch design with stable operation Corrosion-resistant PP float body Easy installation with safer operation - [Cable float switch Spring Garden・17th Anniversary Edition(PVC 3*1mm²)](https://www.elecall.com/product/cable-float-switch-spring-garden%e3%83%bb17th-anniversary-edition-pvc-1mm%c2%b2/): Heavy-duty cable float level switch for industrial liquid control Thicker 1mm² PVC cable for higher load and durability Micro switch design with stable switching performance Suitable for pumps, tanks, and industrial automation systems Corrosion-resistant PP float for harsh environments Flexible cable length customization (2m–10m optional) - [UQK Stainless Steel Flange Float Level Switch](https://www.elecall.com/product/uqk-stainless-steel-flange-float-level-switch/): 304 stainless steel flange float level switch High temperature and corrosion resistance Reinforced flange plate with sealing gasket Seamless welding with excellent sealing performance High-sensitivity reed switch structure Suitable for industrial liquid level control systems - [GSK series stainless steel float level switch](https://www.elecall.com/product/gsk-series-stainless-steel-float-level-switch/): Extra-long rod design up to 1000mm depth sensing Suitable for deep tanks and large containers High-precision reed switch liquid level control Corrosion-resistant stainless steel construction Stable performance for industrial applications Suitable for water, oil, and chemical liquids - [Stainless Steel Flange-Mounted Float Level Switch(double ball)](https://www.elecall.com/product/stainless-steel-flange-mounted-float-level-switch-double-ball/): Upgraded removable flange double-ball float level switch Dual installation modes: 1-inch thread / DN25 flange Dual-point level control (high and low level switching) Suitable for automatic filling and draining systems Secure installation with excellent sealing performance High-quality corrosion-resistant stainless steel structure - [Stainless Steel Flange-Mounted Float Level Switch(single ball)](https://www.elecall.com/product/stainless-steel-flange-mounted-float-level-switch-single-ball/): Upgraded removable flange float level switch Dual installation modes: 1-inch thread / DN25 flange Secure installation with excellent sealing performance High-quality corrosion-resistant stainless steel structure Imported reed switch with reliable operation Suitable for industrial liquid level control systems - [1 Inch Thread Stainless Steel Float Level Switch with Waterproof Sealed Head(double ball)](https://www.elecall.com/product/1-inch-thread-stainless-steel-float-level-switch-with-waterproof-sealed-head-double-ball/): Waterproof sealed-head float level switch Excellent waterproof and dustproof performance Anti-oxidation sealed cable outlet structure 1-inch threaded stainless steel installation Stable reed switch with reliable operation Dual-point level control (high/low level switching) Suitable for industrial liquid level control - [1 Inch Thread Stainless Steel Float Level Switch with Waterproof Sealed Head(single ball)](https://www.elecall.com/product/1-inch-thread-stainless-steel-float-level-switch-with-waterproof-sealed-head-single-ball/): Waterproof sealed-head float level switch Excellent waterproof and dustproof performance Anti-oxidation sealed cable outlet structure 1-inch threaded stainless steel installation Stable reed switch with reliable operation Suitable for industrial liquid level control - [Straight Rod Low Density Float Level Switch with Hirschmann Connector(double ball)](https://www.elecall.com/product/straight-rod-low-density-float-level-switch-with-hirschmann-connector-double-ball/): Low density float switch for oil and alcohol liquids 1-inch threaded stainless steel float switch Double-ball design for high and low level control Hirschmann connector for plug-and-play maintenance Stable signal transmission with anti-interference performance Corrosion-resistant stainless steel structure Imported reed switch with reliable operation - [Straight Rod Low Density Float Level Switch with Hirschmann Connector(single ball)](https://www.elecall.com/product/straight-rod-low-density-float-level-switch-with-hirschmann-connector-single-ball/): Low density float switch for oil and alcohol liquids 1-inch threaded stainless steel float switch Hirschmann connector for plug-and-play maintenance Suitable for diesel, fuel, alcohol, and chemical liquids Stable signal transmission with anti-interference performance Corrosion-resistant stainless steel structure Imported reed switch with reliable operation - [Straight Rod Stainless Steel Float Level Switch with Hirschmann Connector (Double Ball)](https://www.elecall.com/product/straight-rod-stainless-steel-float-level-switch-with-hirschmann-connector-double-ball/): 1-inch threaded stainless steel float switch Stainless steel float switch with Hirschmann connector Plug-and-play maintenance, easy replacement Dual-ball structure for high/low level control Stable industrial connector with locking screw Corrosion-resistant stainless steel structure Imported reed switch, reliable performance Suitable for industrial automation systems - [Straight Rod Stainless Steel Float Level Switch with Hirschmann Connector (Single Ball)](https://www.elecall.com/product/straight-rod-stainless-steel-float-level-switch-with-hirschmann-connector-single-ball/): 1-inch threaded stainless steel float switch Stainless steel float switch with Hirschmann connector Plug-and-play maintenance, easy replacement Stable industrial connector with locking screw Corrosion-resistant stainless steel structure Imported reed switch, reliable performance Suitable for industrial automation systems - [1 Inch Thread Stainless Steel Float Level Switch (Double Ball)](https://www.elecall.com/product/1-inch-thread-stainless-steel-float-level-switch-double-ball/): 1-inch threaded stainless steel double float switch Standard rod-type liquid level controller Upper and lower liquid level control Corrosion-resistant stainless steel construction Imported reed switch, high sensitivity Laser welded, leak-proof design - [1 Inch Thread Stainless Steel Float Level Switch (Single Ball)](https://www.elecall.com/product/1-inch-thread-stainless-steel-float-level-switch-single-ball/): 1-inch threaded stainless steel float switch Standard rod-type liquid level controller Corrosion-resistant stainless steel construction Imported reed switch, high sensitivity Laser welded, leak-proof design Suitable for water tank level control - [Adjustable Stainless Steel Float Switch(Double Ball)](https://www.elecall.com/product/adjustable-stainless-steel-float-switch-double-ball/): Double ball adjustable stainless steel float switch 304/316 stainless steel, corrosion-resistant Dual-float adjustable level control Teflon wire for high durability Threaded connector for easy installation Strong sealing and stable performance - [Adjustable Stainless Steel Float Switch(Single Ball)](https://www.elecall.com/product/adjustable-stainless-steel-float-switch-single-ball/): Single ball adjustable stainless steel float switch 304/316 stainless steel, corrosion-resistant Adjustable float distance for flexible control Silicone high-temp waterproof wire Threaded connector for easy installation Strong sealing and stable performance - [Stainless Steel Low Density Float Level Switch for Oil and Alcohol(Double Ball )](https://www.elecall.com/product/stainless-steel-low-density-float-level-switch-for-oil-and-alcohol-double-ball/): 304 stainless steel double float switch Designed for oil and alcohol liquids Double NBR float balls with strong buoyancy High-temperature and corrosion-resistant Threaded connection for easy installation Suitable for low-density liquid control - [Stainless Steel Low Density Float Level Switch for Oil and Alcohol(Single Ball )](https://www.elecall.com/product/stainless-steel-low-density-float-level-switch-for-oil-and-alcohol-single-ball/): 304 stainless steel low-density float switch Specially designed for oil and alcohol liquids NBR float ball with strong buoyancy High-temperature and corrosion-resistant Threaded connection for easy installation Suitable for various low-density solutions - [Side Mount Stainless Steel Float Level Switch(double ball)](https://www.elecall.com/product/side-mount-stainless-steel-float-level-switch-double-ball/): 304 stainless steel double float switch Compact design with easy installation Corrosion-resistant and high-temperature resistant Laser seamless welding for durability Strong sealing with epoxy resin and rubber gasket Elbow pipe design, customizable structure - [Side Mount Stainless Steel Float Level Switch(single ball)](https://www.elecall.com/product/side-mount-stainless-steel-float-level-switch-single-ball/): 304 stainless steel side mount float switch Compact design with easy installation Corrosion-resistant and high-temperature resistant Laser seamless welding for durability Strong sealing with epoxy resin and rubber gasket Elbow pipe design, customizable structure - [Side-Mounted Plastic Float Switch(EPC2)](https://www.elecall.com/product/side-mounted-plastic-float-switch-epc2/): Side mount installation Durable PP material Corrosion resistant Reliable performance Easy to install - [Straight Rod Stainless Steel Float Level Switch(Double Ball)](https://www.elecall.com/product/straight-rod-stainless-steel-float-level-switch-double-ball/): 304/316 stainless steel double float level switch High-temperature and corrosion-resistant Compact, lightweight, and durable Magnetic reed switch with ring magnet Four 30CMPVC wires, flexible and wear-resistant (80°C) Thickened rubber sealing for waterproofing - [Straight Rod Stainless Steel Float Level Switch(Single Ball)](https://www.elecall.com/product/straight-rod-stainless-steel-float-level-switch-single-ball/): 304/316 stainless steel float level switch High-temperature and corrosion-resistant Compact, lightweight, and durable Magnetic reed switch with ring magnet Thickened rubber sealing for waterproofing Two high-temp braided wires (120°C) - [ESC stainless steel float level switch](https://www.elecall.com/product/esc-stainless-steel-float-level-switch/): Stainless steel side-mount float switch Duckbill design for stable operation Built-in reed switch for reliable control High-temp resistant and corrosion-resistant Easy installation for compact spaces Long service life and stable performance - [Side-Mounted Duckbill PVDF Float Level Switch (ELEC4 / ELEC6)](https://www.elecall.com/product/side-mounted-duckbill-pvdf-float-level-switch/): Duckbill-type side mount float switch for precise liquid level control PVDF construction with excellent corrosion resistance Suitable for a wide range of liquids Stable and reliable switching performance Easy installation - [Side-Mounted Plastic Float Switch(EPC1)](https://www.elecall.com/product/side-mounted-plastic-float-switch/): Side mount installation Durable PP material Corrosion resistant Reliable performance Easy to install - [Side-Mounted Duckbill Stainless Steel Magnetic Float ESB-17×55](https://www.elecall.com/product/side-mounted-duckbill-stainless-steel-magnetic-float-esb-17x55/): Side mount    design Stainless steel construction (304/316) Built-in magnetic float Corrosion resistant High temperature resistant Compact structure for small tanks Stable and precise switching Suitable for level switch accessories - [EP Series PP Plastic Float Level Switch](https://www.elecall.com/product/ep-series-pp-plastic-float-level-switch/): Low cost solution Corrosion resistant Stable performance Easy installation Flexible design Customized to customer's specifications - [EFQS-HM180 High Temperature Cable Float Switch(Mercury Switch Type)](https://www.elecall.com/product/efqs-hm180-high-temperature-cable-float-switch/): Mercury switch type (no mechanical wear) High temperature resistance up to 180°C Stainless steel float and housing Silicone cable (heat resistant) Suitable for harsh environments Switching angle ±10° for more sensitivity Long service life - [Stainless Steel Spherical Magnetic Float Ball](https://www.elecall.com/product/stainless-steel-spherical-magnetic-float-ball/): Stainless steel construction Built-in magnetic ring Suitable for level switches Corrosion resistant High temperature resistant Stable performance Suitable for water and oil Durable design - [Stainless Steel Cylindrical Magnetic Float Ball](https://www.elecall.com/product/stainless-steel-cylindrical-magnetic-float-ball/): Stainless steel construction Built-in magnetic ring Suitable for level switches Corrosion resistant High temperature resistant Stable performance Suitable for water and oil Durable design - [EPB series PP Plastic Float Ball with Magnetic Ring](https://www.elecall.com/product/epb-series-pp-plastic-float-ball-with-magnetic-ring/): PP material construction Built-in magnetic ring Chemical resistant (weak acid & alkali) Stable performance Precise level control Durable and lightweight Customizable options available - [Y-100BF Radial Stainless Steel Pressure Gauge](https://www.elecall.com/product/y-100bf-radial-stainless-steel-pressure-gauge/): High precision (Class 1.6) Easy operation Full stainless steel construction Corrosion and rust resistant Stable and reliable performance Large clear dial (100mm) Wide measuring range Color customizable - [Y-60BF Radial Stainless Steel Pressure Gauge](https://www.elecall.com/product/y-60bf-radial-stainless-steel-pressure-gauge/): High precision (Class 1.6) Easy operation All stainless steel construction Corrosion and rust resistant Stable and reliable Wide measuring range Integrated threaded connection Color customizable ## - [99](https://www.elecall.com/?p=2019) - [single post](https://www.elecall.com/?p=976) - [loop](https://www.elecall.com/?p=806) - [solution1](https://www.elecall.com/?p=661) - [产品集合页](https://www.elecall.com/?p=192) - [表单弹窗](https://www.elecall.com/?p=324) - [产品列表超级菜单](https://www.elecall.com/?p=293) - [bolg测试](https://www.elecall.com/?p=223) - [页眉](https://www.elecall.com/?p=213) - [Sports Club 2 About section](https://www.elecall.com/?p=81) - [Sports Club 2 Tennis section](https://www.elecall.com/?p=50) - [Sports Club 2 Prefooter section](https://www.elecall.com/?p=46) - [Sports Club 2 Footer](https://www.elecall.com/?p=44) - [Sports Club 2 Header](https://www.elecall.com/?p=22) ## Portfolio - [2022 Pressure Gauge Production Line](https://www.elecall.com/portfolio-item/2022-pressure-gauge-production-line/): The pressure gauge production line was set up and put into operation. - [2021 More Production Lines](https://www.elecall.com/portfolio-item/2021-more-production-lines/): Established and put into production the production lines for small float switches (stainless steel and plastic), electromagnets, and transmitters. - [2020 Differential Pressure Lines](https://www.elecall.com/portfolio-item/2020-differential-pressure-lines/): The production line of differential pressure meter and differential pressure switch was set up and put into operation. - [2019 Digital Instruments](https://www.elecall.com/portfolio-item/2019-digital-instruments/): Set up a digital multimeter factory and released 4 new multimeter series products in the industry. - [2016 Leading Enterprise in Cyber Economy](https://www.elecall.com/portfolio-item/2016-leading-enterprise-in-cyber-economy/): From 2015 to 2016, ELECALL was highly recognized by government for 2 years, and also been awarded the title "Leading enterprise in cyber economy". - [2011 First Factory](https://www.elecall.com/portfolio-item/2011-first-factory/): Self-produced cable float switch, control the high quality standard of float switch, quickly win the recognition of users, products are widely used in environmental protection industry, water treatment industry. - [2008 Company Founded](https://www.elecall.com/portfolio-item/2008brcompany-founded/): ELECALL was formally established in 2008. A young team started to search constantly in E-commerce field. Meanwhile, Our dream just set sail from here.