Tongdy Sensing Technology Corporation

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Tongdy Sensing Technology Corporation

Founded in 1999, Tongdy Sensing Technology corporation is an industry leader which has designed and manufactured All of these products have CE-approval.

Founded in 1999, Tongdy Control Technology is an industry leader which has designed and manufactured high quality IAQ products and HVAC controllers for 12 years. Tongdy can provide IAQ products which includes transmitters/controllers of carbon dioxide and carbon monoxide with temperature and humidity detection; other IAQ indicators and controllers of ozone and VOC’s, also include micro particles.

The HVAC products include temperature and humidity transmitters, programmable and non-programmable digital thermostats and humidity controllers with Modbus and Bacnet interface. Not only these products have Modbus or Bacnet option but also some of them have Zigbee or Wifi communication option. As being a high level technology company, Tongdy has concentrated on R&D at IAQ and HVAC products and solutions for more than 10 years, it’s professional to supply the high quality products with enough service. Especially Tongdy can supply customized products to meet the special requirements in quick response and better price. Tongdy’s products have been resold and used in European markets, North and South America markets, Gulf areas, Australia and New Zealand, Southeast Asia markets. Many local partners have established a stable relationship of cooperation with Tongdy, and we won some large projects and government projects together. With moving to the new building from March of 2014, Tongdy provides not only more space and equipments, enough human resources, but also provides to customers more comprehensive and better professional service. It will help Tongdy to go another new milestone. Tongdy has dedicated to establishing a win-win situation with the partners and customers. It will continue to develop more new products with high quality and better service.

15/08/2017

The concentration of PM2.5 probably have much difference duo to the different purpose of the rooms.
The most effective way to improve indoor air quality is, detecting each room and treatment of air
purification for the important rooms, such as living room and bed rooms. G03-PM2.5 supply you a real
time and accurate information, it can help you to be sharp-eyed and clearheaded.

01/08/2017

PM10 Monitor with temperature & RH, 6 colors backlit LCD

28/05/2015

Indoor Air Quality Affects Your Health
Good indoor air quality is essential to our health. Indoor Air Quality (IAQ) is a term referring to the air quality within buildings where we live, work, learn, etc. Most of us spend up to 90% of our time indoors, where the air quality can be up to 100 times more polluted than outdoor air. Since many of these pollutants can cause serious health problems, we should be as concerned about the quality of the air we breathe as the quality of the water we drink.

11/05/2015

Duct type co2 transmitter for HVAC
Features

Designed for real time detecting carbon dioxide,
temperature or relative humidity in air ducts.
NDIR infrared CO2 sensor inside with special Self Calibration and up to 15 years’ lifetime. It makes CO2 measurement more accurate and reliable.
Combined temperature and humidity digital sensor provide a high accuracy measurement in full range.
Provide up to 3 analog outputs (0~10VDC or 4~20mA or 0~5VDC) for CO2 temperature and relative humidity.
Optional Modbus RS485 communication interface.
With LCD or without LCD selectable
LCD display real-time measurements of CO2, temperature and relative humidity.
Simple and smart design and installation of sensor probe with a water-proof and porous film
Extendable probe meets more air duct systems
24VAC/VDC power supply.
EU standard and CE-approval.

28/04/2015

• Features

Real-time detecting CO2 level.
NDIR infrared CO2 module inside with four CO2 detection range selectable.
CO2 sensor has Self-Calibration Algorithm and 15
years lifetime
Wall-mounting
Providing one analog output with voltage or current selectable
0~10VDC/4~20mA selectable easily via jumpers
Special “L” series with 6 lights indicates CO2 level and makes CO2 level show clearly.
Provide a special model with a on/off relay output
with a touch button to operate a fan control.
Design for HVAC, ventilation systems, offices, or other public places.
Modbus RS485 communication interface optional: 15KV antistatic protection, independent address setting
CE-Approval
For duct probe CO2 transmitter, and CO2+ Temp.+ RH 3 in 1 transmitter, please see our other products.

10/04/2015

CO2+VOC+Temp.+RH Transmitter with Analog output and Modbus interface.LCD display option
Features:
Designed for real time measuring ambiance carbon
dioxide level, air quality (VOC’s), temperature and
relative humidity.
NDIR infrared CO2 sensor inside with special Self Calibration. It makes CO2 measurement more accurate and reliable.
More than 10 years lifetime of CO2 sensor.
Mix gases sensor with high sensitivity for
VOC and cigarette.
High accuracy temperature and relative
humidity measurement optional
Combined both humidity and temperature
sensors seamlessly with digital auto
compensation
Provide up to 2 or 3 analog outputs for CO2, air quality (VOC’s) and temperature or relative humidity.
With LCD or without LCD selectable
LCD display CO2, temperature and humidity measurements as well as air quality (VOC’s) level.
Wall mounting type with easy installation.
Modbus RS485 interface with outputs for
CO2, temperature, humidity and air quality (VOC’s).
24VAC/VDC power supply or
EU standard

10/04/2015

Top CO2 Monitor/Controller:

Features:
Real-time detecting and display CO2 level during 0ppm to 20,000ppm CO2 range; Also detecting room temperature from 5 to 45℃
Optional real-time humidity from 5%RH to 95%RH
NDIR CO2 sensor technology of infrared self diffusion, 15 years lifetime
Self Calibration Algorithm makes it in using without calibration amending
The three measured CO2 ranges for 3-LED indicator lights selectable by end users
LED’s brightness adjustment
Optional 1X dry contact output or one 0~10VDC output to control a ventilation device
Easy preset CO2 level for buzzer alert (optional)
Optional RS485 interface to connect to a PC or another system (optional)
Application:

Especial design for schools, kindergartens, office buildings, conference rooms, rest rooms as well as other public places

12/03/2015

New product in 2015, the MSM-15 Multi-sensor Module.

Provides PM2.5/PM10 + CO2 + VOC's + Temperature + Humidity detecting features. Wireless/Linear output.

Flexible multi-purpose!
Can be use independently or integrate with your device!

Now leave your E-Mail and get the brochure!!

08/01/2015

The new star in China! G03-PM2.5 Monitor.

Features

1. Built in professional duct sensor with optical IR LED sensing method. Real time monitor indoor PM2.5 concentration.
2. Built in high accuracy temperature & RH sensor, monitor indoor air temperature & RH.
3. Using our unique technology of compensating method, and up to ten calibration points, to guarantee G03-PM2.5 measurements accuracy at different environments.
4. LCD displays the real time measurement and moving average value of PM2, as well as real time temperature and RH measurements.
5. Special design six backlit LCD for six levels of PM2.5, in straight and clear read.
6. Modbus RS485 interface optional.
7. Users can know very well the indoor PM2.5 concentration, and can easily select a air purifier/air cleaner. Not only see a visible effective of indoor air clean but also have a reasonable use of an air cleaning device.

07/01/2015

Tongdy special designed for the greenhouse application CO2 controller. Plug and play can help you to connect your device whenever you want!

Features

1. NDIR infrared CO2 sensor inside with Self-Calibration and more than 10 years lifetime
2. High accuracy humidity and temperature detection&display optional
3. With LCD or without LCD selectable
4. One relay output optioanal
5. Modbus RS485 communication interface optional
6. Smart structure, connected with CO2 generator directly
7. Plug & play type, special design a photosensor inside to detect
day/night and change the working mode of the CO2 generator
8. Design the convenient and easier buttons for operation
9. CE-Approval

Typical Applications

1. For greenhouse and plant bin.
2. Ventilation control
3. In BAS to detect the CO2 and the data transmittance
4. For CO2 laboratory

07/01/2015

Economic CO2 Transmitter/Controller - F2000TSM Series

Features

1. Real-time detecting CO2 level
2. NDIR infrared CO2 sensor inside with four detection range selectable
3. CO2 sensor has Self-Calibration Algorithm and up to 15 years lifetime
4. Wall mounted type
5. Six lights Indicate CO2level clearly.
6. Provide a relay output option to control a fan with a touch button for operation.
7. The CO2 level for the fan control can be preset during four CO2 levels
8. Design for HVAC, ventilation systems, offices, classrooms or other application places.
9. 24VAC/VDC power supply can be connected with the wire terminals.The power adaptor is available.
10. CE-Approval

07/01/2015

Smart CO2 Transmitter/Controller - F2000IAQ Series

Features

Programmable controller with high performance and lower prices
Wall mounting type with four operation buttons
LCD display detecting both CO2 level and temperature, also relative humidity (optional)
NDIR infrared CO2 module inside with special ABC_Logic Self Calibration System. It makes the CO2 measurement more accurate and more reliable in use.
Up to 15 years lifetime of CO2 sensor
Provides up to three outputs of mix the 0~10V analog output and relay dry-contact outputs
The analog output with two alternatives: linearized over full range output or PID control output
Different control mode for delays can be selected by user's application, for example for ventilation or for greenhouse or other applications.
0~5,000ppm CO2 range, 0~20,000ppm optional
Modbus RS-485 communication interface optional, 15KV antistatic protection, independent base address setting
CE-Approval
Application

1. All ventilation systems
2. Hotel, exhibition hall, hospital, shop, restaurant, air port, train station, theater and other public places
3. House, villa, office, meeting room, classroom and other places
4. Greenhouse, mushroom, grown room and other agricultural applications

Address

Dijin Road
Beijing
100095

Telephone

+861059738930

Website

http://www.tongdy.com/

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