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)

±40ppm + 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