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Specifications
Wall mounting, LCD dispaly,CO2 controller with temperature, humidity(optional).Product features
- Multiple control functions and high performance with low prices
- Application in all ventilation systems, or public places
- Wall mounting type and duct type selectable
- Built-in pump type for some special applications
- LCD display detecting both CO2 level and temperature, also relative humidity (optional)
- NDIR infrared CO2 sensor with special ABC logic self calibration system and 15 years long lifetime
- It makes the CO2 measurement more accurate and more reliable
- Specially provide the altitude calibration
- Microprocessor control, quick response, high precision
- Providing strong control outputs with up to three 0 to 10V analog outputs and three relay dry-contact outputs
- Analog output with two alternatives: PID control output or linearized over full range output
- Different control mode for delays selected by users applications such as ventilation systems or greenhouses
- Locale adjustable range of CO2: 0 to 2,000ppm/0 - 5,000ppm/20,000ppm/0 to 50,000ppm
- Adjustable range of temperature: 5 to 45C
- Adjustable range of humidity: 5 to 95% RH
- RS-485 communication interface optional, 15kV anti-static protection, independent base address setting
- Specially provide a simple CO2 controller with 6 indicator lights and a relay output to control a fan
- CE approval
Specifications
-
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
10~50°C(50~122°F)/ 20~60%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
Application
Hotel, exhibition hall, hospital, shop, restaurant, air port, train station, theater and other public places
House, villa, office, meeting room, classroom and other places
Greenhouse, mushroom, grown room and other agricultural applications
All ventilation systems
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