Key facts
- Brand
- JWSL-7
- Model
- JWSL-7
- Industry
- Industrial
- Documents
- 3
- Languages
- ZH
- Last added
- 2012-03-14
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Kunlun Coast Sensor JWSL-7 Hand‑Held Temperature and Humidity Transmitter User Manual
The JWSL-7 series is a hand‑held temperature and humidity transmitter designed for HVAC‑grade indoor environment measurement. It can be used handheld or inserted into a measurement point and supports both 4‑20 mA current loop and 0‑5 V voltage output.
This manual covers the device overview, technical specifications, physical dimensions and wiring, installation steps, operating procedures, safety precautions, maintenance, transport and storage guidelines, unpacking inspection, and fault analysis with troubleshooting advice. This manual is written in Chinese.
JWSL-7 specifications
| Supply voltage | DC 24 V (22 V–26 V) or DC 12 V |
|---|---|
| Humidity range | 0 % RH – 100 % RH |
| Humidity accuracy | ±3 % RH (5 %–95 % RH, 25 °C) |
| Temperature accuracy | ±0.5 °C (0 °C–50 °C) |
| Working environment | -10 °C – 60 °C; 0 % RH – 100 % RH (non‑condensing) |
| Long‑term stability | Humidity < 1 % RH/year; Temperature < 0.1 °C/year |
| Response time | < 15 s (1 m/s wind) |
| Output signal | 4‑20 mA (two‑wire) or 0‑5 V |
| Load resistance | Voltage output 250 Ω; Current output ≤ 500 Ω |
| Product weight | ≈ 70 g |
Source: Kunlun Coast Sensor JWSL-7 Hand‑Held Temperature and Humidity Transmitter User Manual
All JWSL-7 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How should the JWSL-7 be installed?
Hand‑hold or insert the transmitter into the measurement area, connect the cable to the terminals, and then link it to the acquisition device.
From: Kunlun Coast Sensor JWSL-7 Hand‑Held Temperature and Humidity Transmitter User Manual
How often should the transmitter be calibrated?
It is recommended to calibrate the transmitter at least once a year to maintain measurement accuracy.
From: Kunlun Coast Sensor JWSL-7 Hand‑Held Temperature and Humidity Transmitter User Manual
How often should the transmitter be calibrated?
It is recommended to calibrate the transmitter once a year to maintain measurement accuracy.
From: Kunlun Coast JWSL-7 Hand‑held Temperature & Humidity Transmitter User Manual
What are the wiring color codes for the transmitter?
Red is the positive power or two‑wire temperature supply, Yellow is temperature output, Blue is humidity output, and Black is ground or two‑wire humidity supply.
From: Kunlun Coast JWSL-7 Hand‑held Temperature & Humidity Transmitter User Manual