Features

• Non-Dispersive Infrared(NDIR) technology is used to measure CO₂ levels.

• CO2 concentration can be measure as Analog Voltage /Current value

  (4~20mA / 2~10V or 0~20mA / 0~10V)

• Input power 24VDC

•.CD-300NL (without Display) is available.

• Customer could select multiple functions

-. Monthly Automatic Re-Calibration mode with 1 month period after 3 days is default on sale.

-. 10 minutes Manual Re-Calibration function is executable as needed.

-. CO2 measuring range change between 0~10,000ppm is available.

• Size : 123.7mm x 70mm x 42.8mm

CD-300 Transmitter

Specifications

General Performance

Operating Temperature range

0 ~ 50℃

Operating Humidity range

0 ~ 95% RH (Non-condensing)

Storage Temperature

-20℃ ~60℃







































CO₂ Measurement

Sensing Method

NDIR (Non-dispersive Infrared)

Measurement Range

0 to 2,000 / 3,000 / 5,000 / 10,000ppm

(with jumper position change)

Accuracy

±30ppm ±5%

Response Time(90%)

150 seconds

Sampling Interval

4 sec.

Operation mode selection

Two operation mode are available

Factory calibration mode and Automatic calibration mode 

 

Two manual recalibration methods are available with manual recalibration by change  

of J2 & J4 or by using TRB-100 Jig (TRB-100Jig : additionally purchasable) 

 

Electrical Data

Input Power

24VDC ± 20%, 50/60Hz (3-Wired)

Output Signals

4 ~ 20mA or 2 ~ 10VDC

0 ~ 20mA or 0 ~ 10VDC

, (Jumper selectable

-voltage output or current output)