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- Multiple functions and high performance with low prices
- Wall mounting type and duct type selectable
- LCD display detecting both CO 2 level and temperature, also relative humidity (optional)
- NDIR infrared CO 2 module inside with special ABC Logic Self Calibration System. It makes the CO2 measurement more accurate and more reliable in use.
- 15 years lifetime of CO 2 sensor
- Microprocessor control, quick response, high precision
- Provide up to three 0~10VDC outputs or relay dry contact outputs, or up to three mix outputs.
- The analog output with two alternatives: linearized over full range output or PID control output
- Different control mode for delays can be selected by user’s application, for example for ventilation or for greenhouse or other applications.
- CO2 range:0~5,000ppm or 0~20,000ppm;
- Modbus RS-485 communication interface optional, 15KV antistatic protection, independent base address setting