This document provides the user manual and guide for the Temperature + Humidity Transmitter, including information on installation, parameters, functions, and communication protocols.
This document is the user manual for the UM-TH4-CN[A1] industrial temperature and humidity transmitter. The device supports wall-mounted installation and is available with either an internal probe or an external probe (with optional L-bracket or threaded mounting). It can output data via a 4-20mA current signal or an RS485 digital interface using the standard Modbus RTU protocol. An optional real-time digital display can be added to the system. This manual is written in Chinese.
| Humidity Range | 0% ~ 100% RH |
|---|---|
| Humidity Accuracy | ±3RH% (20~80RH%, 25°C) |
| Temperature Accuracy | ±0.3°C (0~60°C) |
| Response Time | ≤15 seconds |
| Protection Rating | IP65 |
The device uses the standard Modbus RTU protocol.
It can output 4-20mA current or RS485 digital output.
Yes, an external probe is available with optional L-bracket or threaded mounting.