Brand:TONGDY
MOQ:10
Quantity:2
Introduction:
CO2 transmitter
with 6 indicators to indicate the CO2 level
one relay output is optional to control a ventilation device
Features
1) Design for HVAC, ventilation systems, offices, classrooms orother application places.
2) Real-time detecting CO2 level. Temperature and humiditydetection is optional.
3) NDIR infrared CO2 module inside with four CO2 detection rangeselectable.
4) CO2 sensor has Self-Calibration Algorithm and 15 yearslifetime
5) Mounted type and duct type selectable
6) Special 6 lights Indicates CO2 level and makes it clearshow.
7) Special model with a touch button as a controller to operatea fan control.
8) Providing up to three analog outputs forCO2/temperature/humidity.
9) One relay output is available
10) RS-485 communication interface is optional: 15KV antistaticprotection, independent address setting
11) 24VAC/VDC power supply can be connected with the wireterminals, also a power adaptors plug connected into the socketavailable.
12) CE-Approval
Parameters
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>1,600ppm |
Modbus interface | Modbus RS485 interface 9600/14400/19200(default)/28800 or 38400bps (programmable selection), 15KV antistatic protection. |
Operation conditions | 0~50???(32~122???); 0~95%RH, non condensing |
Storage conditions | 0~50???(32~122???) |
Net weight | 180g |
Dimensions | 100mm×80mm×28mm |
Installation standard | 65mm×65mm or 2”×4”wire box |
Approval | CE-Approval |


