Products &Solutions

Carbon Monoxide Monitor and Controller

Model: GX-CO Series

Carbon monoxide with temperature and humidity
1×0-10V / 4-20mA linear output, 2xrelay outputs
Optional RS485 interface
Zero point calibration and replaceable CO sensor design
Powerful on-site setting function to meet more applications
Real-time monitoring air carbon monoxide concentration, displaying CO measurements and 1-hour average. Temperature and relative humidity is optional. High quality Japanese sensor has five years liftime and is replaceable conveniently. Zero calibration and CO sensor replacement can be handled by end users. It provides one 0-10V / 4-20mA linear output, and two relay outputs, and optional RS485 with Modbus RTU. Buzzer alarm is available or disable, it’s widely used in BMS systems and ventilation control systems.

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Carbon Dioxide Sensor NDIR

Model: F2000TSM-CO2 Series

Cost-effective
CO2 detection
Analog output
Wall mounting
CE

Short Description:
This is a low-cost CO2 transmitter designed for applications in HVAC, ventilation systems, offices, schools, and other public places. NDIR CO2 sensor inside with Self-Calibration and up to 15 years lifetime. One analog output of 0~10VDC/4~20mA and six LCD lights for six CO2 ranges within six CO2 ranges make it unique. RS485 communication interface has 15KV anti-static protection, and its Modbus RTU can connect any BAS or HVAC systems.

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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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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 adaptor

Monitoring 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 V4

An 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.

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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 V4

Real 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.

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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

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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

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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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 power

Real time monitoring of carbon dioxide

High quality NDIR CO2 sensor with self calibration and more than

10 years lifetime

Three-color backlight LCD indicating three CO2 ranges

Data logger with up to one year data record, download by

Bluetooth

WiFi or RS485 interface

Multiple power supply options available: 24VAC/VDC, 100~240VAC

USB 5V or DC5V with the adaptor, lithium battery

Wall mounting or desktop placement

High quality for commercial buildings, such as offices, schools and

upscale residences

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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

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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