Tongdy Control Technology Co., Ltd.

Products List
BACnet Thermostat

BACnet Thermostat

Programmable or Non-programmable Bacnet communication thermostat Digital room thermostat For HVAC system Power supply24 Volt AC±20%  50/60HZPower consume≤ 1WElectrical rating1 amp maximum load per terminalSensorNTC  5K @25Temperature degreeCelsius or...
BacNet Commercial Thermostat

BacNet Commercial Thermostat

Bacnet thermostat used in buildings. For single zone rooftop units, split systems, heat pumps or hot/chilled water systems. Power supply24 Volt AC±20%  50/60HZPower consume ≤ 1WElectrical rating1 amp maximum load per terminalSensorNTC  5K @25Temperature...
BacNet proportional-action control thermostat

BacNet proportional-action control thermostat

Bacnet digital thermostat BACnet MS/TP network FCU air conditioning, ventilation,water valve control system   Power supply  220VAC±10% , 110VAC±10% , 24 VAC±20%  selectable in order  Rate contact current for the fan and aux....
BacNet Thermostat for VAV Terminal

BacNet Thermostat for VAV Terminal

Room thermostat for BACnet MS/TP networks 1x0~10 VDC output or 2x0~10VDC outputs Up to two-stage electric aux. heating 2   24 VAC±20%  50/60HZElectrical rating2 Amp load per terminalSensorNTC 5KTemperature control range5-60   (41-95)Accuracy±0.5...
CO2 Montior with USB Data Logger

CO2 Montior with USB Data Logger

0~10VDC output/on/off relay output data logger inside data saved by USB disk   Gas detectedCarbon Dioxide (CO2)Sensing elementNon-Depressive Infrared Detector (NDIR)CO2 NDIR life15 yearsAccuracy@25°C(77°F)±40ppm + 3% of readingStability<2% of FS over life...
CO2 Monitor and Alarm

CO2 Monitor and Alarm

LCD display with three color buzzer alarm and backlight colors switchover 1X relay output touch button Gas detectedCarbon Dioxide (CO2)Sensing elementNon-Dispersive Infrared Detector (NDIR)Accuracy@25°C(77°F)±50ppm + 3% of readingStability<2% of FS over life of...
CO2 Monitor/Alarm

CO2 Monitor/Alarm

Real time detect CO2 concentration,Day/Night mode 1 Design for real time monitoring room carbon dioxide level 2 NDIR infrared CO2 sensor inside with special Self Calibration System. It makes the CO2 measurement more accurate and more reliable in use.3 More than 10 years lifetime of...
Ozone Monitor/ Controller

Ozone Monitor/ Controller

Replaceable Electro chemical sensor, high accuracy superior quality at attractive price 1 Real time detect ambiance ozone gas level 2 Detect temperature and humidity at the same time3 Wall mounted with LCD display4 LCD can display ozone, temperature and humidity, also controlled...
CO2 Monitor/Detector

CO2 Monitor/Detector

1 CO2 indicator and alarm 2 Real-time detect and display room CO2 and temperature 3 3 LED indicator lights  Gas detectedCarbon Dioxide (CO2)Sensing elementNon-Depressive Infrared Detector (NDIR)Temperature sensorNTCTemperature correctionSelf compensationCO2 NDIR life15...
CO2 Sensor and Detector

CO2 Sensor and Detector

1.Real time CO2 detection,monitor & alarm 2.Provide 1xon/off output to control a ventilator 3.Wall mounting and desktop place   Gas detectedCarbon Dioxide (CO2)Sensing elementNon-Dispersive Infrared Detector (NDIR)Accuracy@25(77)±50ppm + 3% of readingStability<2% of...



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