JWSL-7 series hand-held temperature and humidity transmitter is a portable temperature and humidity transmitter developed by the Kunlun Coast Sensor Technology Center, which integrates sensor and transmitter in one, and is suitable for temperature and humidity measurement in indoor environment of HVAC grade
This manual describes the ColliHigh JWSL-7 series hand‑held temperature and humidity transmitter, designed for HVAC and indoor environment monitoring. It can be used handheld or inserted for fixed measurements.
The document lists technical specifications, wiring colour codes, physical dimensions, installation guidelines and safety precautions to ensure accurate and reliable operation. This manual is written in Chinese.
| Supply voltage | 24VDC (±10%) |
|---|---|
| Humidity range | 0–100 % RH |
| Humidity accuracy | ±3 % RH (5 %–95 % RH, 25 °C) |
| Temperature accuracy | ±0.5 °C (0–50 °C) |
| Working temperature | -10 °C to +60 °C |
| Response time | <15 s (1 m/s wind) |
| Output signal | 4‑20 mA two‑wire current loop or 0‑5 V voltage |
| Load capability (voltage output) | >3 kΩ |
| Enclosure material | ABS gray |
It requires a 24 VDC supply with a tolerance of ±10 %.
Red is power positive (or two‑wire temperature supply), Yellow is temperature output, Blue is humidity output, and Black is ground or two‑wire humidity supply positive.