Products

Contact Person : Ms. Tian Maggie
Company Name : Beijing Tongdy Control Technology Co., Ltd.
Tel : 86-10-58731276,58731277,58731278
Fax : 86-10-58731275
Address : Beijing,Beijing,3-3-5F, IN-DO Mansion, No.Jia 48 ZhiChun Road Haidian District, Beijing. China
Country/Region : China
Zip : 100098

CO2+VOC Transmitter

Product Detailed

Real time detection and transmission of carbon dioxide and VOCs Up to 3xanalog linear output Modbus RS485 interface CE

	Monitoring parameters		CO2		VOC	Temperature	Relative humidity
	Sensing element		Non-Dispersive Infrared Detector (NDIR)		Semiconductor mix gases sensor	Digital combined temperature and humidity sensor
	Measuring range		0~2000ppm		0~30ppm	-20~60°C	0~100%RH
	Display Resolution		1ppm		5ppm	0.1°C	0.1%RH
	Accuracy@25°C(77°F)		±50ppm + 3% of reading		±10%	±0.5°C	±4.5%RH
	Life time		15 years (normal)		5~7 years	10 years
	Stability		<2%		——	<0.04°C per year	<0.5%RH per year
	Calibration cycle		ABC Logic Self Calibration ( No client separate 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		2 hours (first time) 2 minutes (operation)
	Electrical Characteristics
	Power supply			24VAC/VDC
	Consumption			3.5 W max. 2.5 W avg.
	Outputs			Up to three analog outputs 0~10VAC or 4~20mA selectable by jumpers
RS485 interface (optional)		RS-485 with Modbus protocol, 19200bps rate, 15KV antistatic protection, independent base address.
	Display and Alarm
	LCD Display			Green CO2<1000ppm (optimal air quality) VOC<10ppm (low pollution) Yellow CO2>1000ppm (moderate air quality) VOC>10ppm (medium pollution) Red CO2>1400ppm (poor air quality) VOC>20ppm (heavy pollution) Two switch modes selectable: both CO2 and VOC over the setpoints (default) any one over the setpoint
	Conditions of Using and Installation
	Operation conditions			-10~50°C(14~122°F); 0~95%RH, non condensing
	Storage conditions			-40~70°C(-40~158°F)/ 5~95%RH
	Weight			240g
	Dimensions			130mm(L)×85mm(W)×36.5mm(H)
	Installation			Desktop or wall mount (65mm×65mm or 85mmX85mm or 2”×4” wire box)
	Housing IP class			PC/ABS, protection class: IP30
Standard		CE-Approval

1.Designed for real time measuring ambiance carbon dioxide level, VOC concentration, temperature and relative humidity.

2.NDIR infrared CO2 sensor inside with special Self Calibration. It makes CO2 measurement more accurate and reliable.

3.More than 10 years lifetime of CO2 sensor.

4.High accuracy temperature and relative humidity measurement.

5.Combined both humidity and temperature sensors seamlessly with digital auto compensation

6.Provide up to 3 analog outputs for CO2, VOC and temperature or relative humidity.

7.Basic type without LCD and standard type with LCD selectable

8.3-color backlit LCD provides CO2 and (or) VOC level indication and alarm.

9.Wall mounting type with multi-dimensions for easy installation.

10.Optional Modbus RS485 communication interface.

11.24VAC/VDC power supply.

12. EU standard and CE-approval.

CO2+VOC Transmitter

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