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Manufacturer of Products and Solutions

  • NDIR CO2 Gas Sensor with 6 LED Lights

    NDIR CO2 Gas Sensor with 6 LED Lights

    Model: F2000TSM-CO2 L Series

    High cost-effectiveness, compact and consice
    CO2 sensor with self-calibration and 15 years long-life
    Optional 6 LED lights indicate six scales of CO2
    0~10V/4~20mA output
    RS485 interface with Modbus RTU ptotocol
    Wall mounting
    Carbon dioxide transmitter with 0~10V/4~20mA output, its six LED lights is optional for indicating six ranges of CO2. It’s designed for applications in HVAC, ventilation systems, offices, schools, and other public places. It features a Non-Dispersive Infrared (NDIR) CO2 sensor with Self-Calibration, and 15 years lifetime with high accuracy.
    The transmitter has a RS485 interface with 15KV anti-static protection, and its the protocol is Modbus MS/TP. It provides an on/off relay output option for a fan control.

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  • Dew Proof Temperature and Humidity Controller

    Dew Proof Temperature and Humidity Controller

    Model: F06-DP

    Key words:
    Dew proof temperature and humidity control
    Large LED display
    Wall mounting
    On/off
    RS485
    RC optional

    Short Description:
    F06-DP is specially designed for cooling/heating AC systems of floor hydronic radiant with dew-proof control. It ensures a comfortable living environment while optimizing energy savings.
    Large LCD displays more messages for easy to view and operate.
    Used in the hydronic radiant cooling system with auto calculating the dew point temperature by real-time detecting room temperature and humidity, and used in the heating system with humidity control and overheat protection.
    It has 2 or 3xon/off outputs to control the water valve/humidifier/ dehumidifier separately and strong presettings for different applications.

     

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  • Commercial Air Quality IoT

    Commercial Air Quality IoT

    A professional data platform for air quality
    A service system for remote tracking, diagnosing, and correcting monitoring data of Tongdy monitors
    Provide service including data collection, comparison, analysis, and recording
    Three versions for PC, mobile/pad, TV

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  • IAQ Multi Sensor Gas monitor

    IAQ Multi Sensor Gas monitor

    Model: MSD-E
    Key words:
    CO/Ozone/SO2/NO2/HCHO/Temp. &RH optional
    RS485/Wi-Fi/RJ45 Ethernet
    Sensor modular and silent design, flexible combination One monitor with three optional gas sensors Wall mounting and two power supplies available

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  • Indoor Air Gases Monitor

    Indoor Air Gases Monitor

    Model: MSD-09
    Key words:
    CO/Ozone/SO2/NO2/HCHO optional
    RS485/Wi-Fi/RJ45 /loraWAN
    CE

     

    Sensor modular and silent design, flexible combination
    One monitor with three optional gas sensors
    Wall mounting and two power supplies available

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  • Air Pollution Monitor Tongdy

    Air Pollution Monitor Tongdy

    Model: TSP-18
    Key words:
    PM2.5/ PM10/CO2/TVOC/Temperature/Humidity
    Wall mounting
    RS485/Wi-Fi/RJ45
    CE

     

    Short Description:
    Real time IAQ monitor in wall mounting
    RS485/WiFi/Ethernet interface options
    LED Tri-colored lights for three measurement ranges
    LCD is optional

     

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  • Air Particulate Meter

    Air Particulate Meter

    Model: G03-PM2.5
    Key words:
    PM2.5 or PM10 with Temperature /Humidity detection
    Six color backlight LCD
    RS485
    CE

     

    Short Description:
    Real time monitor indoor PM2.5 and PM10 concentration, as well as temperature and humidity.
    LCD displays the real time PM2.5/PM10 and moving average of one hour. Six backlight colors against PM2.5 AQI standard, which indicating PM2.5 more intuitive and clear. It has an optional RS485 interface in Modbus RTU. It can be wall mounted or desktop placed.

     

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  • CO2 Monitor with Wi-Fi RJ45 and Data Logger

    CO2 Monitor with Wi-Fi RJ45 and Data Logger

    Model: EM21-CO2
    Key words:
    CO2/Temperature/Humidity detection
    Data logger/Bluetooth
    In-Wall  or On-Wall mounting

    RS485/WI-FI/ Ethernet
    EM21 is monitoring real-time carbon dioxide (CO2) and 24-hour average CO2 with LCD display. It features automatic screen brightness adjustment for day and night, and also a 3-color LED light indicates 3 CO2 ranges.
    EM21 has options of RS485/WiFi/Ethernet/LoraWAN interface. It has a data-logger in BlueTooth download.
    EM21 has in-wall or on-wall mounting type.The in-wall mounting is applicable to tube box of Europe, American, and China standard.
    It suppotes 18~36VDC/20~28VAC or 100~240VAC power supply.

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  • CO2 Monitor and Controller in Temp.& RH or VOC Option

    CO2 Monitor and Controller in Temp.& RH or VOC Option

    Model: GX-CO2 Series

    Key words:

    CO2 monitoring and control, optional VOC/Temperature/Humidity
    Analog outputs with linear outputs or PID control outputs selectable, relay outputs, RS485 interface
    3 backlight display

     

    A real-time carbon dioxide monitor and controller with temperature and humidity or VOC’s options, it has powerful control function. It not only provides up to three linear outputs (0~10VDC) or PID(Proportional-Integral-Derivative) control outputs, but also provides up to three relay outputs.
    It has strong on-site setting for different projects requests through a robust set of advanced parameters pre-configuration. Control requirements can also be customized specifically.
    It can be integrated into BAS or HVAC systems in seamless connection using Modbus RS485.
    The 3-color backlight LCD display can indicate three CO2 ranges clearly.

     

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  • Carbon Dioxide Monitor Alarm with 3-color LCD and Buzzer

    Carbon Dioxide Monitor Alarm with 3-color LCD and Buzzer

    • Real time carbon dioxide detection and transmitting
    • High accuracy Temperature and humidity detection
    • NDIR infrared CO2 sensor with patented self calibration
    • Provide 3xanalog linear outputs for measurements
    • Optional LCD display of all measurements
    • Modbus communication
    • CE-approval
    • Smart co2 analyzer

    • co2 detector sensor

    • co2 tester
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  • CO2 Sensor in Temperature and Humidity option

    CO2 Sensor in Temperature and Humidity option

    Designed for real-time monitoring of environmental CO2 concentrations and temperature and humidity
    Built in NDIR infrared CO2 sensor. Self checking function,
    Make CO2 monitoring more accurate and reliable
    The CO2 module exceeds the 10year life
    High precision temperature and humidity monitoring, optional transmission
    The use of digital temperature and humidity sensors, the perfect realization of temperature
    Compensation function of humidity to CO2 measurement
    Three color backlit LCD provides intuitive warning function
    A wide variety of wall mounting dimensions are available for easy use
    Provide Modbus RS485 communication interface options
    24VAC/VDC power supply
    EU standard, CE certification

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  • Carbon Dioxide Meter with PID Output

    Carbon Dioxide Meter with PID Output

    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

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