ME-CO2WS carbon dioxide temperature and humidity three-in-one transmitter adopts imported first-line brand temperature, humidity and gas sensors. It has the characteristics of sensitive response and strong anti-interference ability. It has passed our unique compensation algorithm and multi-stage standard gas calibration. It has the characteristics of long life, high precision, high repeatability and high stability. RS485 signal output, standard Modbus-RTU communication protocol, ModBus address can be set.

Range CO ₂: 0-2000ppm/5000ppm/10000ppm

Range temperature: -20 ℃~60 ℃

Range humidity: 0% RH~100% RH

Accuracy (at 20 ℃): ± 2% RH

Accuracy CO ₂: ± (40ppm+3% RDG) or

± 75ppm, whichever is greater (@ 25 ℃&101.3kPa)

Temperature accuracy: ± 0.2 ℃ (@ 20 ℃)

Humidity accuracy: ± 2% RH (10% RH... 80% RH@20 ℃)

± 3% RH (0% RH... 100% RH@20 ℃)

CO ₂ resolution: 1ppm

Temperature resolution: 0.1 ℃

Humidity resolution: 0.1% RH

Power supply: DC 24V

CO2 response time: 120 seconds (reaching 90% of the true value)

Output format: RS485

Installation method: wall mounted

Working conditions: 0 ℃~50 ℃; 0% RH~95% RH, non condensing

Flow rate: 50-120cc/min