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Home / Computer Hardware, Monitors & Peripherals / Lifu Temperature & Humidity Sensor 4-20mA - Wall-Mounted Transmitter with Display, RS485 Hygrometer

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Model Number LFH10A
Output Signal 4-20 mA
Communication Interface RS485 (Modbus RTU)
Power Supply 24V DC (±10%)
Temperature Range -40°C to 80°C
Humidity Range 0% to 100% RH
Temperature Accuracy ±0.5°C
Humidity Accuracy ±3% RH
Display Type LCD Digital Display
Protection Rating IP65

5 reviews

A

Anonymous

Apr 02, 2026

Rating: 5/5

Easy Configuration

Setting the Modbus address was straightforward using the buttons on the unit. Documentation was clear and helpful.

A

Anonymous

Mar 25, 2026

Rating: 4/5

Solid Performance

Been running for 3 months without drift. The wall mount bracket is sturdy. Great product for the price point.

A

Anonymous

Mar 06, 2026

Rating: 5/5

Excellent for HVAC Monitoring

Installed these in our server room. The RS485 output integrates perfectly with our BMS system. Readings are stable and accurate.

A

Anonymous

Jan 29, 2026

Rating: 5/5

Reliable 4-20mA Output

We use these for cold storage monitoring. The 4-20mA signal is noise-resistant over long distances. Very satisfied with the build quality.

A

Anonymous

Jan 29, 2026

Rating: 4/5

Good value industrial sensor

Works as described. The display is clear enough to read from a distance. Only wish the cable glands were metal instead of plastic.

5 FAQ

Q: Does this support Modbus RTU protocol?

A: Yes, the RS485 output supports standard Modbus RTU protocol for easy integration with PLCs and SCADA systems.

Q: What is the maximum cable length for RS485?

A: For RS485 communication, the maximum recommended cable length is up to 1200 meters depending on environmental interference.

Q: Is the mounting hardware included in the box?

A: Yes, the package includes the wall-mount bracket and necessary screws for installation.

Q: Can this operate on 12V DC power?

A: No, this model requires a 24V DC power supply to function correctly and ensure accurate readings.

Q: Is a calibration certificate provided?

A: Each unit comes with a factory calibration report. Individual accredited certificates are available upon request.

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