CO2 Controller for Greenhouse

CO₂ Sensor

Non-Dispersive Infrared Detector (NDIR)

Measurement Range

0~2,000ppm (default)

0~5,000ppm (preset)

Accuracy

±30ppm + 3% of reading @22°C(72°F)

Stability

<2% of full scale over the life of the sensor

Calibration

Self-calibration system

Response Time

<5 minutes for 90% step change at low duct speed

Non-linearity

<1% of full scale @22°C(72°F)

Duct Air Velocity

0~450m/min    

Pressure Dependence

0.135% of reading per mm Hg

Warm up time

2 hours (first time)

2 minutes (operation)

Split CO2 sensor

2 meter cable connection between the senor and the controller

Temperature & Humidity Detection&Display (optional)

Temperature

Relative Humidity

Sensing element:

Band-gap-senor

Capacitive humidity sensor

Measuring range

-20°C~60°C

0 -100%RH

Accuracy

±0.5°C (20~40°C)

±4.5%RH (25°C, 15%-85%RH)

Display resolution

0.1°C

0.1%RH

Stability

±0.1°Cper year

±1%RH per year

General Data

Power supply

24VAC/24VDC or 100VAC~240VAC

Consumption

1.8 W max. ; 1.0 W avg.

LCD display

Display CO₂ measurement

or CO₂ + temperature& humidity measurements

Dry contact output (optional)

1xdry contact output for CO₂

Max. 5A (100~240VAC/30VDC)rated switch contact

Plug& play type

Just for 100VAC~240VAC power supply with European or American power plug and power connector to the CO2 generator

Modbus RS485 Interface (optional)

19200bps, 15KV antistatic protection.

Wireless module (optional)

ZigBee 2.4G short distance wireless communication

Operation conditions

0°C~50°C(32~122°F); 0~99%RH, non condensing

Storage conditions

0~60°C(32~140°F)/ 0~80%RH

IP class

IP30

Standard Approval

CE-Approval