The JWSK-5 series temperature and humidity transmitter is a industrial-grade temperature and humidity transmitter developed by Kunlun Haichang Sensor Technology Co., Ltd. It can measure temperature and humidity in the range of -40℃～120℃. The product has multiple analog outputs 0～5V or 0～10V or 4～20mA, 128 × 64 large LCD display temperature and humidity, zero correction function, maximum working temperature of probe -40℃～120℃, can switch from temperature, humidity to temperature, dew point display, optional network RS485 or RS232 output and other features.
The JWSK-5 series is an industrial‑grade temperature and humidity transmitter capable of measuring –40 °C to 120 °C and 0 %RH to 100 %RH. It offers multiple analog outputs (0–5 V, 0–10 V, 4–20 mA) and optional RS485 or RS232 network interfaces, with a 128 × 64 LCD display showing temperature, humidity and dew‑point.
The manual covers product overview, technical parameters, physical dimensions and wiring diagrams, step‑by‑step installation for wall‑mount, pipe‑mount and split‑type units, operation of the LCD menu, communication settings (Modbus RTU), maintenance, storage, unpacking inspection, and detailed fault analysis with troubleshooting procedures. This manual is written in Chinese.
| Power supply (current output type) | DC 24V (22V–26V) |
|---|---|
| Power supply (voltage output type) | DC 24V (12V–24V) |
| Temperature accuracy | ±0.5 °C (‑20 °C–60 °C) |
| Humidity accuracy | ±3 %RH (0 %RH–100 %RH at 25 °C) |
| Temperature measurement range | -40 °C to 120 °C |
| Humidity measurement range | 0 %RH to 100 %RH |
| Analog output options | 0–5 V, 0–10 V, or 4–20 mA |
| Network output options | RS485 or RS232 |
| LCD display resolution | 0.1 %RH, 0.1 °C |
| Voltage output load impedance | 250 Ω |
Send a Modbus write command (function 0x06) with the new address, e.g., 0x06 00 03 new_address, then power‑cycle the unit to apply the change.
The default settings are COM1, 9600 baud, 8 data bits, no parity, 1 stop bit, and a 1000 ms polling interval.
It is recommended to calibrate the transmitter at least once a year to maintain measurement accuracy.