Tongdy Control Technology Co., LTD

1) Floating control thermostat is designed for 3-points floating control. Used with 3-wire actuators to contro

.Design for real time detection indoor air quality ***** infrared CO2 sensor with special Self Calibration

1 Designed to control the room temperature for VAV terminals with 1X0~10 VDC output to cooling/heating or 2X0~

Detector and alarm 0~500ppm semiconductor CO gas sensor 1X on/off output measuring range of 0~500ppm

Wall mount with LCD display Electrochemical ozone sensor two stage alarm dry contact or analog output

1 CO2 indicator and alarm 2 Real-time detect and display room CO2 and temperature 3 3 LED indicator lights

thermostat for Fan Coil Unit of air conditioning systems 7-day program of four time periods RS485 communic

***** time CO2 detection, monitor

CO2 setting range is selectable: 0~2000ppm / 0~20000ppm / 0~50000ppm RS-485 communication interface bright