Part #: MBusAO_RTH_CO2_LCD_Wall
The MBusAO_RTH_CO2_LCD_Wall sensor is a 3-in-1 combination sensor used to detect, transmit, and display CO2, Humidity, and Temperature levels.
This Modbus-RTU enabled temperature / humidity / CO2 sensor has a backlit LCD display and is designed to be mounted on a wall or a surface.
The sensor values can be read in real-time over RS485 networks via the Modbus-RTU protocol; additionally, sensor values can be measured by PLCs, Automation Controllers, or I/O devices by using the three 0-5V analog outputs built into the device.
The backlit LCD display shows the current sensor values. The LCD display background color changes from Green at safe CO2 levels to Yellow/Orange at Moderate CO2 levels to Red at Dangerous CO2 levels.
|CO2 Sensing Technology||Non-Dispersive Infrared Detector|
|CO2 accuracy（@ 25℃ ）||±40ppm + 3% reading|
|Stability||<2% of FS over lifetime (15 years) of sensor|
|Calibration||ABC Logic self-calibration|
|Response time||<2 minutes for 90% step change|
|Temperature range / accuracy||0~50℃/ ±0.4℃|
|Humidity accuracy||±3%RH (20%RH~70%RH, 25℃)|
|Warm time||2hrs (First time or after power off for a long time)
|Analog Outputs||3 x 0~5VDC analog outputs|
|3 color backlit LCD||Green: CO2 measurement ≤ 1,000ppm
Yellow: 1,000ppm< CO2 measurement ≤1,400ppm
Red: CO2 measurement >1,400ppm
|Power Consumption||1.8 W max., 1.2 W average|
|Operating Conditions||0~50℃(32~122℉); 0~95%RH, non condensing|
|Net weight/ Dimensions||210g / 130mm×85mm×36.5mm|
|Housing||PC/ABS fire-proof, IP30 protection|
MBusAO_RTH_CO2_Wall Modbus Map
MBusAO_RTH_CO2 Tech Sheet and Install Guide