Environment Projects
Description
Features
? Real-time detecting CO2 level.
? NDIR infrared CO2 module inside with four CO2 detection range selectable.
? CO2 sensor has Self-Calibration Algorithm and 15
years lifetime
? Wall-mounting
? Providing one analog output with voltage or current selectable
? 0~10VDC/4~20mA selectable easily via jumpers
? Special “L” series with 6 lights indicates CO2 level and makes CO2 level show clearly.
? Provide a special model with a on/off relay output
with a touch button to operate a fan control.
? Design for HVAC, ventilation systems, offices, or other public places.
? Modbus RS485 communication interface optional: 15KV antistatic protection, independent address setting
? CE-Approval
? For duct probe CO2 transmitter, and CO2+ Temp.+ RH 3 in 1 transmitter, please see our other products.
Specifications
Gas detected Carbon Dioxide (CO2)
Sensing element Non-Dispersive Infrared Detector (NDIR)
Accuracy@25℃(77℉),2000ppm ±30ppm + 3% reading
Stability <2% of FS over life of sensor (15 yr typical)
Calibration interval ABC Logic Self Calibration System
Response time <2 minutes for 90% step change
Warm up time 2 hours (first time)
2 minutes (operation)
CO2 measuring range 0～2,000ppm / 0～5,000ppm selectable in orders
0～20,000ppm / 0～50,000ppm just for TSM-CO2-S series
Sensor life Up to 15 years
Power supply 24VAC/24VDC
Consumption 1.5 W max. ; 0.8 W avg.
Analog outputs 0~10VAC or 4~20mA selectable by jumpers
Relay output 1X3A switch load
Four set points selectable by jumpers
6 LED lights
(just for TSM-CO2-L series)
From left to right:
Green/Green/Yellow/Yellow/Red/Red 1st green light on as CO2 measurement≤600ppm
1st and 2nd green lights on as CO2 measurement>600ppm and≤800ppm
1st yellow light on as CO2 measurement>800ppm and≤1,200ppm
1st and 2nd yellow lights on as CO2 measurement>1,200ppm and≤1,400ppm
1st red light on as CO2 measurement>1,400ppm and≤1,600ppm
1st and 2nd red lights on as CO2 measurement>1,
Read More
Tongdy
CO2 sensor
Address: 3-3-5/F IN-DO MANSION, No.48-jia Zhichun Road, Haidian District,
Beijing, Beijing
China, 100098
Tel: 86-15101027950
Fax: 86-10-58731275
