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Specifications
co2,temp.humiditywall mounting
3-color backlit LCD
buzzer alarm
optional humi., on/off output and touch button
u Special used to real-time detect CO2 level in air ducts.
u NDIR infrared CO2 sensor inside with Self-Calibration and up to
15 years lifetime
u High accuracy humidity and temperature detection &display optional
u With LCD or without LCD selectable
u Providing one dry contact output with presetting the setpoint
u Modbus RS485 communication interface optional
u Wireless of ZigBee protocol optional
u
Wall mounted |
Smart structure with easier wire connection through the external pipe
u Provide four types: wall mounted, duct mounted, split and plug & play
u For plug & play type, special design a photosensor inside to detect
day/night and change the working mode of the CO2 generator
u For duct probe type, special the 180° rotatable fastness position of the
probe can be used in two directions of air flow.
u Replaceable filter in the probe and extendable probe length
u Design the convenient and easier buttons for operation
u
Specifications
CO2 Sensor |
Non-Dispersive Infrared Detector (NDIR) |
|
Measurement Range |
0~2,000ppm (default) 0~5,000ppm (preset) |
|
Accuracy |
±30ppm + 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 Detection&Display (optional) |
Temperature |
Relative Humidity |
Sensing element: |
Band-gap-senor |
Capacitive humidity sensor |
Measuring range |
-20°C~60°C |
0 -100%RH |
Accuracy |
±0.5°C (20~40°C) |
±4.5%RH (25°C, 15%-85%RH) |
Display resolution |
0.1°C |
0.1%RH |
Stability |
±0.1°Cper year |
±1%RH per year |
General Data |
|
|
Power supply |
24VAC/24VDC or 100VAC~240VAC |
|
Consumption |
1.8 W max. ; 1.0 W avg. |
|
LCD display |
Display CO2 measurement or CO2 + temperature& humidity measurements |
|
Dry contact output (optional) |
1xdry contact output for CO2 Max. 5A (100~240VAC/30VDC)rated switch contact |
|
Plug& play type |
Just for 100VAC~240VAC power supply with European or American power plug and power connector to the CO2 generator |
|
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); 0~99%RH, non condensing |
|
Storage conditions |
0~60°C(32~140°F)/ 0~80%RH |
|
IP class |
IP30 |
|
Standard Approval |
CE-Approval |
|
Typical Applications
u In office and residence areas to detect CO2 level
u Ventilation control
u In BAS to detect the CO2 and the data transmittance
u For greenhouse and plant bin
u For CO2 laboratory
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