Kunlun Hai'an JWSL-2 Series Wall-Mounted Temperature and Humidity Transmitter User Manual

This manual covers the installation, wiring, usage, maintenance, and troubleshooting for the Kunlun Hai'an JWSL-2 series wall-mounted temperature and…


Kunlun Hai'an JWSL-2 Series Wall-Mounted Temperature and Humidity Transmitter User Manual - cover page
Brand
Collihigh
Category
Other Electronics
Document type
User Manual
Language
Chinese
Pages
3
File format
PDF
File size
217 KB
Updated
24 October, 2026
MD5 checksum
F7661E0BB61F4EFD32527685581A165A

About this manual

The Kunlun Hai'an JWSL-2 series is an integrated sensor and transmitter designed for HVAC-grade indoor environments. It measures temperature and humidity with high accuracy, offering various output options including 4-20mA current, 0-5V voltage, and RS485/RS232 network protocols. The device features a compact ABS housing suitable for wall mounting. This manual is written in Chinese.

What's inside

  • Overview
  • Technical Parameters
  • Appearance and Wiring
  • Installation
  • Usage
  • Precautions
  • Maintenance
  • Transport and Storage
  • Fault Analysis and Elimination
  • Communication Protocol

Specifications

Power SupplyDC 24V (22V~26V) or DC 12V
Humidity Range0% RH ~ 100% RH
Humidity Accuracy±3% RH (5% RH~95% RH, 25℃)
Temperature Accuracy±0.5℃ (0℃~50℃)
Response Time< 15s (1m/s wind speed)
Output Signal4mA~20mA, 0V~5V, RS485, RS232
Dimensions84mm x 90mm x 35mm

Frequently asked questions

What is the default baud rate for the JWSL-2 series?

The default baud rate is 9600 bit/s.

How do I convert the uploaded humidity data from hexadecimal to decimal?

Divide the hexadecimal value by 10. For example, 0x0311 (785) represents 78.5% RH.

How is negative temperature data converted from the uploaded hexadecimal value?

Subtract the value from 0xFFFF. For example, 0xFF8C converts to -11.5℃.

What are the default serial communication settings?

The defaults are COM1, 9600 baud, 8 data bits, 1 stop bit, No parity, and No flow control.

Download PDF (217 KB)

More Collihigh Manuals


View all Collihigh manuals →