Grow Room Wall Mount Co2 Monitor / Greenhouse Carbon Dioxide Sensor
USD $4 - $5 /Piece
Min.Order:1 Piece
Tongdy Control Technology Co., Ltd
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3 In 1 Co2 monitor With LCD display, relay, analog and Modbus
Specifications
Gas detected |
Carbon Dioxide (CO2) |
CO2 Sensor |
Non-Dispersive Infrared Detector (NDIR) with more than 10 years lifetime |
Temperature sensor |
NTC |
Humidity sensor |
HS series capacitive sensor |
Temperature dependence |
0.2% FS/℃ |
Temperature correction |
Self compensation |
Power supply |
24VAC/VDC, or 100~240VAC, 60HZ, selectable with the order |
Consumption |
3.5 W max. ; 2.5 W avg. |
Accuracy@25℃(77℉) |
±40ppm + 3% of reading (0~5000ppm) ±75ppm or 10% reading whichever is greater (0~20,000ppm or 0~50,000ppm) |
Stability |
<2% of FS over life of sensor (15 yr typical) |
Calibration interval |
ABC Logic Self Calibration Algorithm |
Non linearity |
<1% of FS |
Pressure dependence |
0.13% of reading per mm Hg |
Altitude calibration |
Programmable from 0-9,900m in 100m increments |
Response Time |
<2 minutes for 90% step change |
Signal update |
Every 2 seconds |
Warm up time |
2 hours (first time) 2 minutes (operation) |
CO2 measuring range |
0~5,000ppm 0~20,000ppm or 0~50,000ppm optional |
CO2 setting & Display resolution |
1ppm |
Temperature measuring/ setting range |
0~50℃(32~122℉)/ 5~45℃(41~113℉) |
Humidity measuring/setting range |
0~99%RH/ 5~95%RH non condensation |
Analog output |
0~10VDC linearized output or PID control output, selectable by end users |
Output resolution |
10Bit |
Relay output |
One or two dry contact outputs with programmable selection to control CO2, temperature, humidity Rated switching current: 2A(220VAC/30VDC), resistance load |
Communication interface |
Modbus RS-485, 9600/14400/19200(default)/28800 or 38400bps (programmable selection), 15KV antistatic protection, 3 independent base address |
Operation conditions |
0~50℃(32~122℉); 0~95%RH, |
Storage conditions |
0~50℃(32~122℉); 5~90%RH non condensing |
Weight |
360g |
Dimensions |
130mm×90mm×40mm |
Installment standard |
65mm×65mm or 2”×4”wire box |
Interface connections |
Maxi. 9 terminals |
Wiring standard |
wire section area<1.5mm2 |
Approval Standard |
CE-Approval |
Programming and selection |
Via internal jumpers and push-buttons on the panel |
Features
Wall mount type NDIR infrared CO2 module inside with special ABC Logic Self Calibration System 15 years lifetime of CO2 sensor LCD display CO2, Temperature and RH real time measuring value With buttons to adjust the setpoint of CO2, temp. & RH Up to three 0~10VDC outputs or relay dry contact outputs, or up to three mix outputs. Analog output with two alternatives: linearized over full range output or PID control output Modbus RS485 interface optional, 15KV antistatic protection, independent base address setting Via DIPs end user can select increasing/decreasing CO2 mode, heating/cooling mode, humidifier/dehumidifi