Products &Solutions
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Carbon Dioxide Monitor and Alarm
Model: G01- CO2- B3
CO2/Temp.& RH monitor and alarm
Wall mounting or desktop placement
3-color backlight display for three CO2 scales
Buzzle alarm available
Optional on/off output and RS485 communication
power supply: 24VAC/VDC, 100~240VAC, DC power adaptorMonitoring real-time carbon dioxide, temperature, and relative humidity, with 3-color backlight LCD for three CO2 ranges. It offers the option to display 24-hour averages and maximum CO2 values.
The buzzle alarm is available or make it disable, also can be turned it off once the buzzer rings.It has the optional on/off output to control a ventilator, and a Modbus RS485 communication interface. It supports three power supply: 24VAC/VDC, 100~240VAC, and USB or DC power adaptor and can be easily mounted on the wall or placed on a desktop.
As one of the most popular CO2 monitors it has gained a strong reputation for high-quality performance, making it a reliable choice for monitoring and managing indoor air quality.
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Professional In-Duct Air Quality Monitor
Model: PMD
Professional in-duct air quality monitor
PM2.5/ PM10/CO2/TVOC/Temperature/Humidity/CO /Ozone
RS485/Wi-Fi/RJ45/4G/LoraWAN is optional
12~26VDC, 100~240VAC, PoE selectable power supply
Built in environment compensation algorithm
Unique pitot and dual compartment design
RESET, CE/FCC /ICES /ROHS/Reach certificates
Compliant with WELL V2 and LEED V4An air quality monitor used in air duct with its unique structure design and professional data output.
It can provide you reliable data consistently in its full lifecycle.
It has remotely track, diagnose, and correct data functions to ensure continuous accuracy and reliability outputs.
It has PM2.5/PM10/co2/TVOC sensing and optional formaldehyde and CO sensing in air duct, also temperature and humidity detection together.
With a large air bearing fan, it automatically regulates fan speed to ensure a constant air volume, enhancing stability and longevity during extended operation. -
Indoor Air Quality Monitor in Commercial Grade
Model: MSD-18
PM2.5/ PM10/CO2/TVOC/HCHO/Temp./Humi
Wall mounting/Ceiling mounting
Commercial grade
RS485/Wi-Fi/RJ45/4G options
12~36VDC or 100~240VAC power supply
Three-color light ring for a selectable primary pollutants
Built in environment compensation algorithm
RESET, CE/FCC /ICES /ROHS/Reach certificates
Compliant with WELL V2 and LEED V4Real time multi-sensor indoor air quality monitor in commercial grade with up to 7 sensors.
Built in measurement compensation algorithm and constant flow design to ensure accurate and reliable output data.
Auto fan speed control to ensure a constant air volume, consistently deliver all accurate data throughout its entire lifecycle.
Provide remote tracking, diagnosing, and correcting data to ensure its continuous accuracy and reliability
Especial an option for end users to choose which maintain the monitor or update firmware of the monitor operated remotely if needed. -
In-wall or On-wall Air Quality Monior with Data Logger
Model: EM21 Series
Flexible measurement and communication options, covering almost all indoor space needs
Commercial grade with In-wall or on-wall mounting
PM2.5/PM10/TVOC/CO2/Temp./Humi
CO/HCHO/Light/Noise is optional
Built in environment compensation algorithm
Data logger with BlueTooth downlaod
RS485/Wi-Fi/RJ45/LoraWAN is optional
Compliant with WELL V2 and LEED V4 -
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 optionalShort 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. -
Ozone Split Type Controller
Model: TKG-O3S Series
Key words:
1xON/OFF relay output
Modbus RS485
External sensor probe
Buzzle alarmShort Description:
This device is designed for real-time monitoring of air ozone concentration. It features an electrochemical ozone sensor with temperature detection and compensation, with optional humidity detection. The installation is split, with a display controller separate from the external sensor probe, which can be extended into ducts or cabins or placed elsewhere. The probe includes a built-in fan for smooth airflow and is replaceable.It has outputs for controlling an ozone generator and ventilator, with both ON/OFF relay and analog linear output options. Communication is via Modbus RS485 protocol. An optional buzzer alarm can be enabled or disabled, and there’s a sensor failure indicator light. Power supply options include 24VDC or 100-240VAC.
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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 -
CO2 Monitor with Data Logger,WiFi and RS485
Model: G01-CO2-P
Key words:
CO2/Temperature/Humidity detection
Data logger/Bluetooth
Wall mounting/ Desktop
WI-FI/RS485
Battery powerReal time monitoring of carbon dioxideHigh quality NDIR CO2 sensor with self calibration and more than10 years lifetimeThree-color backlight LCD indicating three CO2 rangesData logger with up to one year data record, download byBluetoothWiFi or RS485 interfaceMultiple power supply options available: 24VAC/VDC, 100~240VACUSB 5V or DC5V with the adaptor, lithium batteryWall mounting or desktop placementHigh quality for commercial buildings, such as offices, schools andupscale residences -
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 -
Indoor Air Gases Monitor
Model: MSD-09
Key words:
CO/Ozone/SO2/NO2/HCHO optional
RS485/Wi-Fi/RJ45 /loraWAN
CESensor modular and silent design, flexible combination
One monitor with three optional gas sensors
Wall mounting and two power supplies available -
Air Pollution Monitor Tongdy
Model: TSP-18
Key words:
PM2.5/ PM10/CO2/TVOC/Temperature/Humidity
Wall mounting
RS485/Wi-Fi/RJ45
CEShort Description:
Real time IAQ monitor in wall mounting
RS485/WiFi/Ethernet interface options
LED Tri-colored lights for three measurement ranges
LCD is optional -
Air Particulate Meter
Model: G03-PM2.5
Key words:
PM2.5 or PM10 with Temperature /Humidity detection
Six color backlight LCD
RS485
CEShort 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.