+86 189 8978 2810

+86 189 8978 2810

ELH101 series temperature and humidity transmitter

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High-precision temperature and humidity measurement

Supports RS485 Modbus / 0-10V / 4-20mA outputs

IP65 waterproof and dustproof protection design

Fast response time with strong anti-interference capability

Optional LCD display for convenient monitoring

Suitable for HVAC, industrial, laboratory, and greenhouse applications

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Application

HVAC ventilation systems Agricultural greenhouse monitoring Laboratory environmental monitoring Clean room temperature and humidity control Industrial automation systems Warehouse and storage environment monitoring Building management systems (BMS) Textile industry environmental monitoring

Description

The ELH Series Temperature and Humidity Transmitter is a high-precision environmental monitoring device designed for reliable temperature and humidity measurement in industrial and commercial applications. It integrates advanced digital sensing technology with stable signal transmission, providing accurate real-time monitoring performance.

The transmitter supports multiple output options including RS485 Modbus, 0–10V, and 4–20mA, allowing easy integration into automation systems, HVAC equipment, building management systems, and environmental monitoring platforms.

Featuring an IP65 protection design, durable ABS housing, and protective probe filter structure, the ELH series provides stable operation even in humid, dusty, or complex industrial environments. Optional LCD display versions allow convenient local monitoring and parameter reading.

Features

  • High-precision digital temperature and humidity sensing
  • Supports RS485 Modbus, 0-10V, and 4-20mA outputs
  • IP65 waterproof and dustproof protection
  • Strong anti-interference capability for stable measurement
  • Fast response time ≤10 seconds
  • Durable ABS housing with excellent insulation performance
  • Protective probe filter extends sensor service life
  • Optional LCD display with backlight for easy reading
  • Multiple installation types available for different applications
  • Suitable for industrial and commercial monitoring systems

Technical Details

Product Type:

Temperature & Humidity Transmitter

Product Model:

ELH101 / ELH102 / ELH103

Material:

ABS Housing + PC Probe + Polymer Filter

Size:

See attached drawing

Type:

Wall-mounted / Duct Mounted / Split Type

Operating Temperature:

-20°C ~ 60°C

Humidity Range:

0~100%RH

Humidity Accuracy:

±2%RH / ±3%RH

Temperature Accuracy:

±0.2°C ~ ±0.4°C @25°C

Output Signal:

RS485 Modbus 0–10VDC 4–20mA

Power Supply:

15–35VDC 24VAC ±20%

Display:

No Display LCD Display (Optional)

Response Time:

≤10 Seconds

Protection Rating:

IP65

Working Humidity:

5~95%RH (Non-condensing)

Installation Type:

ELH101 Wall Mounted ELH102 Duct Mounted ELH103 Split Type

Accessories

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

What is the ELH series temperature and humidity transmitter used for?

The ELH series temperature and humidity transmitter is designed for measuring environmental temperature and humidity and converting the measured values into standard output signals for monitoring and automation systems. Typical applications include: Greenhouses and agricultural monitoring HVAC systems Laboratories Cleanrooms Industrial workshops and warehouses Environmental monitoring systems

What models are available in the ELH series?

The ELH series provides multiple installation structures: ELH101 – Wall-mounted type ELH102 – Duct type ELH103 – Split type Different installation structures are suitable for different application environments.

What output signals does the transmitter support?

The ELH series supports multiple output options: RS485 / Modbus communication 0–10V voltage output 4–20mA current output These outputs make the transmitter compatible with PLCs, controllers, building automation systems, and industrial monitoring equipment.

What temperature and humidity range can it measure?

Typical specifications include: Humidity Range: 0–100% RH Temperature Range: Standard range: 0°C to 50°C Optional customization: -20°C to +60°C Different versions may provide different measurement ranges.

How accurate is the ELH transmitter?

Typical accuracy specifications include: Humidity Accuracy: ±2% RH / ±3% RH Temperature Accuracy: ±0.3°C typical This makes the transmitter suitable for applications requiring reliable environmental monitoring.

Is the transmitter waterproof and dustproof?

Yes. The ELH series adopts an IP65 protection design with multiple sealing structures for improved environmental resistance. Advantages include: Dust resistance Water resistance Suitable for humid environments Better long-term stability

What material is the housing made of?

The housing is made of ABS material combined with PC protective components. Advantages include: Good insulation performance Strong durability Anti-aging performance Lightweight construction

Does it have a display screen?

Optional display versions are available. Available options include: LCD display LED backlit display Display versions make on-site monitoring easier.

How fast is the response speed?

Typical response time is: ≤10 seconds Fast response helps improve monitoring performance and automation control efficiency.

Is it resistant to interference?

Yes. The ELH series includes: Strong anti-interference design Over-voltage protection Stable digital sensing technology These features help improve long-term stability in industrial environments.

What operating environment is the transmitter suitable for?

Typical operating conditions include: Temperature: -20°C to +60°C Humidity: 5–95% RH (non-condensing) The transmitter is suitable for both indoor and industrial applications.

What should buyers confirm before purchasing?

Before ordering, buyers should confirm: Installation type (wall-mounted / duct / split type) Required output signal Temperature measurement range Display requirements Power supply requirements Communication requirements Quantity and customization needs Confirming these specifications helps ensure compatibility with the actual monitoring system.

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