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Carbon Dioxide Detector/Controller
Detect CO2 level
With or without LCD
Modbus RS485 communication
Wireless of ZigBee protocol
Wall mount or duct mount
CO2 Sensor | Non-Dispersive Infrared Detector (NDIR) | |
Measurement Range | 0~2,000ppm (default) 0~5,000ppm (preset) | |
Accuracy | ±40ppm + 3% of reading @22°C(72°F) | |
Stability | <2% of full scale over the life of the sensor | |
Calibration | Self-calibration system | |
Response Time | <5 minutes for 90% step change at low duct speed | |
Non-linearity | <1% of full scale @22°C(72°F) | |
Duct Air Velocity | 0~450m/min | |
Pressure Dependence | 0.135% of reading per mm Hg | |
Warm up time | 2 hours (first time) 2 minutes (operation) | |
Split CO2 sensor | 2 meter cable connection between the senor and the controller | |
Temperature & Humidity Sensor (optional) | Temperature | Relative Humidity |
Sensing element: | Band-gap-senor | Capacitive humidity sensor |
Measuring range | -20°C~50°C | 5 -100%RH |
Accuracy | ±0.4°C (25°C) | ±3%RH (25°C, 40%-60%RH) |
Display resolution | 0.1°C | 0.1%RH |
Stability | ±0.1°Cper year | ±1%RH per year |
General Data |
| |
Power supply | 24VAC/24VDC 100VAC~240VAC | |
Consumption | 1.8 W max. ; 1.0 W avg. | |
LCD display | Display CO2 measurement or CO2 + temperature& humidity measurements | |
LCD backlit color-3 color | Green CO2<1000ppm (optimal air quality) default Yellow CO2>1000ppm (moderate air quality) default Red CO2>1400ppm (poor air quality) default The color switch can be preset in parameters | |
Dry contact output (optional) | 1xdry contact output for CO2 3A rated switch contact | |
Modbus RS485 Interface (optional) | 19200bps, 15KV antistatic protection. | |
Wireless module (optional) | ZigBee 2.4G short distance wireless communication | |
Operation conditions | -0°C~50°C(32~122°F); 0~95%RH, non condensing | |
Storage conditions | -20~70°C(-40~158°F) | |
Net weight | 260g | |
IP class | IP30 | |
Standard Approval | CE-Approval | |
1.Special used to real-time detect CO2 level in air ducts.
2.NDIR infrared CO2 sensor inside with Self-Calibration and up to 15 years lifetime
3.High accuracy humidity and temperature detection optional
4.With LCD or without LCD selectable
5.Special 3-color backlit LCD design
6.Providing one dry contact output with presetting the setpoint
7.Modbus RS485 communication interface optional
8.Wireless of ZigBee protocol optional
9.Smart structure with easier wire connection through the external pipe
10.Wall mounted or duct mounted available
11.Special a 180° rotatable fastness position for the probe can change the direction of air detection.
12.Replaceable filter in the probe and extendable probe length
13.Design the convenient and easier buttons for operation
14.CE-Approval
