ชื่อสินค้า : Air Quality Sensor with CO2 TVOC Model: G01-IAQ Series รหัส : Model: G01-IAQ Series แบรนด์ : Tongdy ไฟล์เอกสาร :

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FEATURES

• Designed for real time measuring indoor air quality including carbon dioxide, TVOC, temperature and relative humidity is optional.
• NDIR infrared CO2 sensor with Self Calibration and up to15 years lifetime.
• Mix gases sensor with high sensitivity for VOC and cigarette.
• Integrated digital humidity and temperature sensor with high precision.
• 2 or 3 analog outputs for CO2, air quality (VOC’s) and temperature or relative humidity.
• LCD or without LCD selectable, display CO2, temperature and humidity measurements as well as VOCs level.
• Modbus RS485 interface optional
• 24VAC/VDC power supply
• EU standard

Specifications

 

Monitoring parameters	CO2	Air Quality (VOCs)	Temperature	Relativehumidity
Sensing element	NDIR CO2 sensor	Semiconductor mix gases sensor	Integrated temperature and humiditysensor
Measuring range	0~2,000ppm(default) 0~5,000ppm (selectable in the order)	1~30ppm	0~50℃（default） -20~60℃selectable	0~100%RH
Display Resolution	1ppm	0.1ppm	0.1℃	0.1%RH
Accuracy@25℃(77℉)	±30ppm + 3% of reading	±10%	±0.5℃	±3%RH
Life time	15 years (normal)	5～7 years	10 years
Calibration cycle	ABC Logic Self Calibration	——	——	——
Response Time	<2 minutes for 90% change	​<1 minute (for 10ppm hydrogen,30ppm ethanol) <5 minute (for a cigarette in 20m2 room)​​	​​<10 seconds to reach 63%​
Warm up time	72 hours (first time) 1 hour (operation)
Electrical Characteristics
Power supply	24VAC/VDC
Consumption	3.5 W max. ; 2.5 W avg.
Outputs	Up to three analog outputs 0~10VDC (default) or 4~20mA (selectable by jumpers) 0~ 5VDC (selected in placing order, cannot be changed)
Modbus interface	RS-485 with Modbus protocol, 19200bps rate, 15KV antistatic protection, independent base address.
Display and Alarm
LCD Display	White backlit LCD display: CO2+VOC+Temperature&Humidity measurement
Conditions of Using and Installation
Operation conditions	-20~60℃(-4~140℉); 0~95%RH, non condensing
Storage conditions	0~50℃(32~122℉)/ 20~60%RH
Weight	240g
Dimensions	130mm(L)×85mm(W)×36.5mm(H)
Installation	Wall mount (65mm×65mm or 85mmX85mm or 2”×4” wire box)
Housing IP class	PC/ABS, protection class: IP30
Standard	CE-Approval