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Specifications
up to 3 relay output to control CO2&temp.&humi.LCD display real-time measuring
Modbus optional
button operation
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) |
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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. Wall mounting type and duct type selectable
2.LCD display detecting both CO2 level and temperature, also relative humidity (optional)
3.NDIR infrared CO2 module inside with special ABC_Logic Self Calibration System. It makes the CO2 measurement more accurate and more reliable in use.
4.15 years lifetime of CO2 sensor
5.Microprocessor control, quick response, high precision
6.Providing up to three 0~10V analog output or up to three relay dry-contact outputs
7.The analog output with two alternatives: linearized over full range output or PID control output
8.Different control mode for delays can be selected by user application, for example for ventilation or for greenhouse or other applications.
9.Locale adjustable range of CO2: 0~20,000ppm or 0~50,000;adjustable range of temperature: 5~45C; adjustable range of humidity: 5~95%RH
10.RS-485 communication interface optional, 15KV antistatic protection, independent base address setting
11.CE-Approval
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