CO2 Monitor with Wi-Fi RJ45 and Data Logger

Short Description:

Model: EM21-CO2
Key words:
CO2/Temperature/Humidity detection
Data logger/Bluetooth
In-Wall or On-Wall mounting

RS485/WI-FI/ Ethernet
EM21 is monitoring real-time carbon dioxide (CO2) and 24-hour average CO2 with LCD display. It features automatic screen brightness adjustment for day and night, and also a 3-color LED light indicates 3 CO2 ranges.
EM21 has options of RS485/WiFi/Ethernet/LoraWAN interface. It has a data-logger in BlueTooth download.
EM21 has in-wall or on-wall mounting type.The in-wall mounting is applicable to tube box of Europe, American, and China standard.
It suppotes 18~36VDC/20~28VAC or 100~240VAC power supply.

Send email to us Datasheet Download<

Brief Introduction

Product Tags

FEATURES

Wall embedded installation or Wall surface installation

LCD display or No LCD display

Automatic screen brightness adjustment

3-color LED lights indicating three CO2 range

18~36Vdc/20~28Vac power supply or 100~240Vac power supply

Real time CO2 monitoring and 24 hours average CO2

Optional PM2.5 simultaneous monitoring or TVOC monitoring

RS485 interface or Optional WiFi interface

TECHNICAL SPECIFICATIONS

General Data

Detection Parameters(max.)	CO2, Temp.& RH (optional PM2.5 or TVOC)
Output (Optional)	RS485 (Modbus RTU) WIFI @2.4 GHz 802.11b/g/n
Operating Environment	Temp：0~60℃ Humidity︰0~99%RH
Storage Conditions	0℃~50℃, 0~70%RH
Power Supply	24VAC/VDC±20%,100~240VAC
Overall Dimension	91.00mm111.00mm51.00mm
Power consumption	Average 1.9w (24V) 4.5w( 230V)
Installation(embedded)	Standard 86/50 pipe box (installation hole distance 60mm) American standard pipe box (installation hole distance 84mm)

PM2.5 Data

Sensor	Laser particle sensor, light scattering method
Measuring Range	0~500μg ∕m3
Output Resolution	1μg∕ m3
Accuracy （PM2.5）	<15%

CO2 Data

Sensor	Non-Dispersive Infrared Detector (NDIR)
Measuring Range	400～5,000ppm
Output Resolution	1ppm
Accuracy	±50ppm + 3% of reading or 75ppm

Temperature and Humidity Data

Sensor	High precision digital integrated temperature and humidity sensor
Measuring Range	Temp: 0℃~60℃ Humidity:0~99%RH
Output Resolution	Temp:0.01℃ Humidity:0.01%RH
Accuracy	Temp:±0.8℃ Humidity:±4.5%RH