Industrial RS485 Infrared CO2 Sensor for Air Quality Monitor (IP65, NDIR, 400-5000ppm)
Industrial NDIR CO2 sensor measuring 400–5000ppm via RS485 Modbus-RTU. IP65-rated enclosure with threaded installation for duct or wall mounting. Designed for continuous air quality monitoring in commercial and industrial environments.
Pinout
- VCCType · Power
- GNDType · Ground
- 485-AType · Signal
- 485-BType · Signal
| Pin | Type |
|---|---|
| VCC | Power |
| GND | Ground |
| 485-A | Signal |
| 485-B | Signal |
Pin details
4 connections- VCCPower
- GNDGround
- 485-ASignal
- 485-BSignal
Start wiring
I2C · Analog · UART · 3.3 – 5 V · Breakout
Waveshare lists MQ-2 for combustible gases and smoke, MQ-3 for alcohol, and MQ-135 for mixed indoor pollutants such as NH3, NOx, alcohol,…
Module pins: VCC, GND, 485-A, 485-B. Schematik maps them to your board in the app.
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