Carbon monoxide (CO) transmitter

Product Overview

The WTR10 Gas Transmitter utilizes a high-precision digital sensor, characterized by reliable performance, high accuracy, minimal annual drift, and rapid response speed. Based on the industrial-grade MODBUS-RTU protocol and integrated with RS485 bus technology, it serves as an online gas monitoring sensor that seamlessly combines practicality with high-level integration.

Product Introduction:

1. Model: WTR10 Gas Transmitter

2. Employs a high-precision digital sensor featuring high sensitivity, excellent stability, and a fully automatic temperature compensation function.

3. The Microcontroller (MCU) utilizes a professional, industry-leading, high-quality, and low-power chip from STC, ensuring robust processing capabilities and system stability.

4. Features a standard RS485 output interface, supporting long-distance communication.

5. Fully complies with all standards of the industrial Modbus-RTU communication protocol.

Technical Parameters:

Model: WTR10-A (Carbon Monoxide Transmitter)

Measurement Range: 0–999 PPM

Operating Temperature: -20°C to 50°C

1. Power Supply Range: DC 9V–40V

2. Features power supply protection functions; it is non-polarity sensitive and supports reverse-connection protection (allowing wiring in either direction). It also includes lightning surge protection. Communication Note: (RS485A and RS485B terminals must be wired correctly; reverse connection is not permitted.)

3. Communication Output Interface: RS485

4. Baud Rate: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 (User-configurable); Default baud rate is 9600.

5. Byte Format: 8 data bits, 1 stop bit, No parity.

6. Communication Protocol: Modbus-RTU

7. Communication Address: Configurable range 0–254; Default address is 1.

8. Mounting Method: DIN Rail Mounting

9. Housing Material: ABS

10. Housing Dimensions: 65 × 46 × 28.5 mm