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

Programmable CO2 Controller

Product Detailed

1.CO2 monitor with Temperature & Humidity Detection 2. 0~10V output or relay output optional 3.RS485 optional

Gas detected	Carbon Dioxide (CO2)
Sensing element	Non-Dispersive Infrared Detector (NDIR)
Temperature sensor	NTC
Humidity sensor	HS series capacitive sensor
Temperature dependence	0.2% FS/°C
Temperature correction	Self compensation
Power supply	24VAC/VDC, or 100~240VAC, 60HZ, selectable with the order
Consumption	3.5 W max. ; 2.5 W avg.
Accuracy@25°C(77°F)	±30ppm + 3% of reading
Stability	<2% of FS over life of sensor (15 yr typical)
Calibration interval	ABC Logic Self Calibration Algorithm
Non linearity	<1% of FS
Pressure dependence	0.13% of reading per mm Hg
Altitude calibration	Programmable from 0-9,900m in 100m increments
Response Time	<2 minutes for 90% step change
Signal update	Every 2 seconds
Warm up time	2 hours (first time) 2 minutes (operation)
CO2 measuring range	0~2,000ppm (default) 0~20,000ppm, programmable selection 0~50,000ppmt
CO2 setting & Display resolution	1ppm
Temperature measuring/ setting range	0~50°C(32~122°F)/ 5~45°C(41~113°F)


Humidity measuring/setting range	0~99%RH/ 5~95%RH
Analog output	0~10VDC linearized output or PID control output, selectable by end users
Output resolution	10Bit
Relay output	One or two dry contact outputs with programmable selection to control CO2, temperature, humidity Rated switching current: 3A(220VAC/30VDC), resistance load
Communication interface	RS-485, 9600/14400/19200(default)/28800 or 38400bps (programmable selection), 15KV antistatic protection, 3 independent base address, max network node 64
Flow rates	Diffusion version 80 ~ 120 cc/min Flow through version 40~50cc/min
Operation conditions	0~50°C(32~122°F); 0~95%RH,
Storage conditions	-10~60°C(14~148°F)/5~90%RH non condensing
NDIR life	15 years
Weight	360g
Dimensions	130mm×90mm×40mm
Installment standard	65mm×65mm or 2”×4”wire box
Interface connections	Maxi. 9 terminals
Wiring standard	wire section area<1.5mm2
Approval Standard	CE-Approval
Programming and selection	Via internal jumpers and push-buttons on the panel

1) Design for HVAC, ventilation systems, offices, classrooms or other application places.

2) Real-time detecting CO2 level. Temperature and humidity detection is optional.

3) NDIR infrared CO2 module inside with four CO2 detection range selectable.

4) CO2 sensor has Self-Calibration Algorithm and 15 years lifetime

5) Mounted type and duct type selectable

6) Special 6 lights Indicates CO2 level and makes it clear show.

7) Special model with a touch button as a controller to operate a fan control.

8) Providing up to three analog outputs for CO2/temperature/humidity.

9) One relay output is available

10) RS-485 communication interface is optional: 15KV antistatic protection, independent address setting

11) 24VAC/VDC power supply can be connected with the wire terminals, also a power adaptors plug connected into the socket available.

12) CE-Approval

Programmable CO2 Controller

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