Air quality monitor and transmitter of CO2 and TVOC,Temp.& RH

Short Description:

Designed for real-time monitoring of CO2, a variety of volatile gas (TVOC), temperature, humidity, or humidity.
Built in NDIR infrared CO2 sensor, with self calibration function, make CO2 concentration measurement more accurate, more reliable.
CO2 sensor over 10 year service life.
A high sensitive mixed gas probe monitors various volatile gases such as TVOC and cigarette smoke.
Imported high-precision digital temperature and humidity probe optional.
Built in temperature and humidity compensation (for CO2 and TVOC) to make readings more accurate.
Provide 3 analog outputs corresponding to CO2 concentration, TVOC, and temperature (or relative humidity).
LCD display optional. LCD displays CO2, a variety of polluting gases (TVOC), and temperature and humidity measurements.
Wall installation, simple and convenient
Modbus RS485 communication interface is optional, real-time transmission of CO2, TVOC, and temperature and humidity measurement data.
24VAC/VDC power supply
EU standard,CE authentication

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Brief Introduction

Product Tags

FEATURES

Designed for real time measuring ambiance carbon dioxide level, air quality (VOC’s), temperature and relative humidity.
NDIR infrared CO2 sensor inside with special Self Calibration. It makes CO2 measurement more accurate and reliable.
More than 10 years lifetime of CO2 sensor.
Mix gases sensor with high sensitivity for VOC and cigarette.
High accuracy temperature and relative humidity measurement optional
Combined both humidity and temperature sensors seamlessly with digital auto compensation
Provide up to 2 or 3 analog outputs for CO2, air quality (VOC’s) and temperature or relative humidity.
With LCD or without LCD selectable
LCD display CO2, temperature and humidity measurements as well as air quality (VOC’s) level.
Wall mounting type with easy installation.
Modbus RS485 interface with outputs for CO2, temperature, humidity and air quality (VOC’s).
24VAC/VDC power supply
EU standard

TECHNICAL SPECIFICATIONS

Monitoring parameters	CO2	Air Quality (VOC’s)	Temperature	Relative humidity
Sensing element	Non-Dispersive InfraredDetector (NDIR)	Semiconductor mixgases sensor	Digital combined temperatureand humidity sensor
Measuring range	0~2000ppm(default) 0~5000ppm(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℉)	±40ppm + 3% of reading	±10%	±0.5℃	±3%RH
Life time	15 years (normal)	5～7 years	10 years
Calibration cycle	ABC Logic SelfCalibration	——	——	——
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 outputs0~10VDC (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