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+86 189 8978 2810

ELE-802L Lightning Protection Submersible Level Transmitter

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ELE-802L lightning protection submersible level transmitter for high-accuracy liquid level measurement

Diffused silicon pressure sensor designed for harsh outdoor environments

Integrated lightning protection circuit for enhanced safety

IP68 waterproof rating for long-term submersible use

Stainless steel construction for durability and corrosion resistance

Stable and reliable performance under lightning, surge, and electromagnetic interference conditions

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DETAILS

Application

Water Tanks & Storage Reservoirs

Suitable for continuous level monitoring in water tanks and reservoirs, providing stable and accurate measurement for water management systems.

Rivers, Lakes & Water Conservancy Projects

Designed for outdoor hydrological applications, supporting water level monitoring in rivers, lakes, and water resource management projects.

Fire Protection & Emergency Water Systems

Ideal for fire-fighting water tanks and emergency storage facilities, ensuring reliable level detection for critical water reserves.

Underground Wells & Industrial Water Pools

Applicable to wells, deep pits, and industrial water pools, delivering long-term stable operation in submerged environments.

Outdoor Level Monitoring in Harsh Conditions

Built with lightning protection and anti-interference features, making it suitable for outdoor liquid level monitoring in lightning-prone areas and integration with control panels or automation systems.

Description

Description Background

The ELE-802L Lightning-Protected Submersible Level Transmitter is designed for long-term immersion and outdoor liquid level monitoring applications. It uses a high-precision diffused silicon pressure sensor with a 316L stainless steel isolated diaphragm and silicone oil filling, ensuring accurate and stable pressure-to-level conversion even in demanding environments.

Equipped with an integrated lightning protection circuit, the transmitter provides effective protection against electrostatic discharge (ESD), surge impact, and electrical fast transient/burst (EFT), improving system reliability and safety. The optimized 45° inclined pressure port and 3 mm pressure inlet design help reduce clogging risks and minimize sudden pressure impact on the sensing element.

With a rugged 304 stainless steel housing and double-shielded purple copper cable, the ELE-802L offers excellent corrosion resistance, strong anti-interference capability, and long-term durability. It is ideal for outdoor tanks, water conservancy systems, and industrial liquid level monitoring applications requiring enhanced protection against electrical interference and harsh conditions.

Features

01DEPENDABLE
Equipped with an integrated lightning protection circuit board, providing strong protection against lightning strikes and surge voltage for reliable operation in electrically demanding environments.
Integrated Lightning & Surge Protection
Integrated Lightning & Surge Protection
02EFFICIENT
Uses a high-precision diffused silicon sensor with a 316L stainless steel isolation diaphragm filled with silicone oil. The piezoresistive sensing structure delivers high accuracy and fast response for precise liquid level measurement.
High-Precision Piezoresistive Sensor
High-Precision Piezoresistive Sensor
03SECURE
Features a 3 mm pressure guide hole with a 45° angled design, effectively reducing the risk of sharp objects entering and damaging the sensor while ensuring smooth pressure transmission.
3 mm Pressure Guide Hole with 45° Angled Design
3 mm Pressure Guide Hole with 45° Angled Design
04CONVENIENT
Built with a 304 stainless steel housing featuring IP68 dustproof and waterproof protection. The chromium-rich oxide layer on the surface enhances corrosion resistance and supports reliable long-term operation.
304 Stainless Steel Housing & IP68 Protection
304 Stainless Steel Housing & IP68 Protection

Technical Details

Measurement Type

Gauge Pressure

Measurement Range

0.1 – 100 m (customizable)

Installation

Submersible

Measuring Medium

Liquid (non-corrosive to wetted materials)

Accuracy

±0.5% FS (standard), ±0.2% / ±0.1% optional

Output Signal

4–20 mA (default), RS485 Modbus-RTU (optional)

Power Supply

DC 24 V (10–30 VDC)

Overload Capacity

150% of full scale

Protection Rating

IP68

Housing Material

304 Stainless Steel

Diaphragm Material

316L Stainless Steel

Cable Type

Double-shielded purple copper cable

Pressure Port

3 mm inlet, inclined 45°

Long-term Stability

Factory calibrated with aging test

Accessories

We reserve the right to make technical alterations without prior notice.

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