CO2 Controller for Greenhouse

Gas detected

Carbon Dioxide (CO₂)

Sensing element

Non-Dispersive Infrared Detector (NDIR)

Temperature influence

0.2% FS/°C

Temp. influence correction

Self compensation

Precision

@22°C(72°F)±40ppm + 3% of reading

Stability

<2% of FS over life of sensor (15 yr typical)

Calibration interval

ABC Logic Self Calibration Algorithm

NDIR life

15 years

Flow rates

Diffusion version 80 ~ 120 cc/min

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

2hours (first time)

2 minutes (operation)

CO₂ measuring range

0~2,000ppm (default)

0~20,000ppm / 0~50,000ppm

CO₂ setting & Display resolution

1ppm

Temperature sensor

NTC

Humidity sensor

HS series capacitive sensor

Temperature measuring range

-20~60°C(-4~140°F)

Temperature setting range

5~45°C(41~113°F)

Humidity measuring range

0~99%RH non condensing

Humidity setting range

5~95%RH non condensing

Relay output

Two or three relays with power supply outputs to control CO₂ and ventilation or control CO₂ , temperature, humidity.

16 Amp maximum combined load

Communication interface

RS-485, 9600/14400/19200(default)/28800 or 38400bps (programmable selection), 15KV antistatic protection

Power supply

220VAC~240 VAC or 100~120VAC, 50/60HZ±10%,

selectable with orders

Consumption

5 W max. ;  3.5 W average

Operation conditions

0~50°C(32~122°F); 0~95%RH, non condensing

Housing

Metal material

Net weight/ Gross weight

2.2Kg /2.5Kg

Max. Dimensions

240mm×160mm×65mm

BNC of power

American standard / European standard selectable

LCD

Green/Orange backlight: 88 mm×54mm

Quality system

ISO 9001