Tongdy Control Technology Co., Ltd.

Products List
Multifunction IAQ Monitor

Multifunction IAQ Monitor

IAQ monitor Wireless communication USB data logger CO2+VOC+temperature+humidity  Monitoring parametersCO2VOCTemperatureRelative humiditySensing elementNon-Dispersive Infrared Detector (NDIR)Semiconductor mix gases sensorDigital combined temperature and humidity sensorMeasuring...
CO2+Air Quality Duct Transmitter

CO2+Air Quality Duct Transmitter

Real time probe detect carbon dioxide and air quality (VOC) of an air duct Up to 3xanalog linear outputs Modbus RS485 Monitoring parametersCO2Air Quality (VOC)TemperatureRelative humiditySensing elementNon-Dispersive Infrared Detector (NDIR)Semiconductor mix gases sensorDigital...
CO Transmitter

CO Transmitter

real-time detection high accuracy humidity and temperature detection 0~10VDC/4~20mA output Modbus RS485 communication SensorsGas SensorElectrochemical carbon monoxide sensorSensor lifetimeUp to 5 years, replaceableWarm up time1hour (first time)   Response TimeWithin 60...
Floating Control Room Thermostat

Floating Control Room Thermostat

Room thermostat PID (proportional and integral) control action Motor timing selectable from 10 seconds to 420 seconds continue Power supply220VAC±10%  50/60HZ24 VAC±20%  50/60HZTerminal output rating2 amp (resistant load)SensorNTC 5KTemperature Control...
Proportional-Action Control Thermostat for FCU System

Proportional-Action Control Thermostat for FCU System

PI(proportional and integral) control action 1X 0~10VDC output 3-speed fan or single speed fan control.  Power supply220VAC±10% , 110VAC±10% , 24 VAC±20% selectable in orderRate contact current for the fan and aux. heater1 amp5 amp for F2000PS-A-5AAnalog...
Programmable FCU thermostat

Programmable FCU thermostat

thermostat for Fan Coil Unit of air conditioning systems 7-day program of four time periods RS485 communication interface   Power supply220VAC±10% / 110VAC±10%Power consume≤ 3WElectrical rating2 amp maximum load per terminalSensorNTC  5K @25Temperature...
Floating Control Thermostat

Floating Control Thermostat

Thermostat provides proportional-integral(PI) individual room temperature control with tri-state (floating) proportional control 1.Room thermostat PID (proportional and integral) control action provides accurate, stable room temperature control.2.LCD can display working status such as...
Non-Programmable Thermostat for FCU System

Non-Programmable Thermostat for FCU System

1 Thermostat designed for 3-speed fan and one or two water valves controlling. 2 Programmable or non-programmable Power supply220VAC±10%  50/60HZElectrical ratingFor LB-S series: 2 amp maximum load per terminal For PS series:  5 amp rated relay outputs for 3-speed...
CO2 Monitor / Controller

CO2 Monitor / Controller

F2000IAQ-CO2 monitor/controller is used to monitoring and control room CO2 level, as well as room temperature and humidity. 1) Multiple control functions and high performance with low price2) Application in all ventilation systems, or public places3) Wall mounting type...
Digital Floating Control Thermostat

Digital Floating Control Thermostat

floating control system BACnet or Modbus communication interface Backlight, remote controller selectable customized products  Power supply  24 VAC±20%  50/60HZ  Electrical rating  2 amp load per terminal  Sensor  NTC...



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