Carbon Dioxide (CO2) transmitter CO2R-series have a maintenance-free NDIR sensor

Measuring ranges for Carbon Dioxide (CO2) are 400-2.000 ppm, 0-2.000 ppm, 0-5.000 ppm, 0-10.000 ppm selectable ranges with DIP switch. On request 0-1.000 ppm.

0-10 Vdc, 2-10 Vdc, 4-20 ma, 0-5 Vdc or 1-5 Vdc (One output and Two CO2 outputs available).

The estimated operating life for Carbon Dioxide (CO2) transmitter is approx. 15 years.

Featuring ABC functionality – Automatic Baseline Calculation.

Accuracy is 70 ppm +3 % reading.

Power supply 24 Vac/dc.

Options

• Modbus RS485
• LCD Display
• 1 x relay output, can be set individually
• 2 x relay outputs, can be set individually
• Buzzer

Temperature and Humidity Options

• Temperature measuring ranges 0 to +50°C or -30 to +70°C
• Temperature output 0-10 Vdc, 2-10 Vdc, 4-20 mA, 0-5 Vdc or 1-5 Vdc
• Humidity measuring ranges 0 to 100% rH
• Humidity output 0-10 Vdc, 2-10 Vdc, 4-20 mA, 0-5 Vdc or 1-5 Vdc

Ordering examples

CO2R 51 M

• Carbon Dioxide (CO2) room transmitter
• Two CO2 outputs, Output 1: 4-20 mA and Output 2: 0-10 Vdc
• Modbus RS485 communication

CO2R 51 MDR2B

• Carbon Dioxide (CO2) room transmitter
• Two CO2 outputs, Output 1: 4-20 mA and Output 2: 0-10 Vdc
• Modbus RS485 communication, LCD Display, 2 x relay outputs and Buzzer

CO2R C1T1H1 MDR2B

• Carbon Dioxide (CO2) room transmitter with Temperature and Humidity options
• CO2 output 0-10 Vdc
• TEMP. output 0-10 Vdc
• HUM. output 0-10 Vdc
• Modbus RS485 communication, LCD Display, 2 x relay outputs and Buzzer

See the datasheet for more information.