Caracteristicas

• Design for real time measuring ambiance carbon dioxide and temperature and relative humidity.
• NDIR infrared CO2 sensor inside with special Self Calibration. It makes CO2 measurement more accurate and more reliable.
• Up to 10 years lifetime of CO2 sensor.
• Provide one or two 0~10VDC/4~20mA  linear output for CO2 or CO2/temp.
• PID control output can be selected for CO2 measurement.
• One passive relay output is optional. It can control a fan or a CO2 generator. The control mode is easily selected.
• The 3-color LED indicates three CO2 level ranges.
• Optional OLED screen displays CO2/Temp/RH measurements.
• Buzzer alarm for the relay control model.
• RS485 communication interface with Modbus or BACnet protocol.
• 24VAC/VDC power supply.
• CE-approval