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co2+voc+temperature+humidity transmitter - TG9

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Features
Designed for real time detecting carbon dioxide, air quality, 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.
? Mix gases sensor with high sensitivity for VOCs
from new furnitures, wall coverings, office equipment,
cleanser etc. and other pollutants from smoking and cocking etc.
? Combined temperature and humidity digital sensor provides a high accuracy measurement in full range.
? Provide up to 3 analog outputs (0~10VDC or 4~20mA or 0~5VDC) for CO2, air quality (VOC) and temperature or relative humidity.
? Modbus RS485 interface with outputs for
CO2, temperature, humidity and air quality (VOC).
? With LCD or without LCD selectable
? LCD display real-time measurements of CO2, air quality (VOC), 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.
Detection Focus
? Carbon Dioxide (CO2)
Indoor CO2 level is a universal accepted parameter for the condition of indoor ventilation and air quality.
A time period can be preset from 1 to 24 hours, e.g. 5 hours, then the monitor can display CO2 average level during
this period, which provides an objective and true data for the measurement of the air quality in a certain space.
? Non-dispersive infrared (NDIR) CO2 sensor with more than 10-year lifetime
? ABC self-calibration technology guarantees reliable CO2 measurement
? CO2 range: 0~2000ppm/0~5000ppm optional
? Rapid response, high stability and consistency
Air Quality (VOC)
The air quality sensor is a mix gases sensor with high sensitivity for VOC (kinds of volatile pollutant gases) such as ammonia, toluene, formaldehyde and cigarette smoke, alcohol, H2S, and carbon monoxide. So it is very suitable

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Tongdy

Address: 3-3-5/F IN-DO MANSION, No.48-jia Zhichun Road, Haidian District, Beijing, Beijing, China, 100098
Tel: 86-15101027950
Tongdy Control Technology Co., Ltd., founded in 1999 in Beijing China, is a leading hi-tech company engaged in design and manufacture of control products for BAS and HVAC systems. With more than 10 years?experience in product design and research, now Tongdy's product range has covered programmable and non-programmable digital room thermostats for HVAC systems, digital humidity detectors and controllers, and various IAQ detectors and controllers like say for carbon dioxide (CO2), carbon monoxide (CO), ozone (O3) and VOC. All above Tongdy products are available with options like Modbus RS485 interface and some of the thermostats can be provided with BACnet protocol. USB data logging and Zigbee wireless communication are also selectable for some of our IAQ products. With a team of highly talented and experienced engineers, Tongdy is capable of providing the best products possible with excellent performance, super reliability, and competitive prices, and creating new product lines constantly. In addition, Tongdy offers customized services to meet special requirements. Our ODM services have received positive feedbacks due to our accurate understanding and following up of customer抯 requirements. Now Tongdy抯 market has reached not just the Europe, North America, but also the South America, Asia Pacific and the Gulf Area. Our sales volume has increased for more than 30% each year during the last three years. And with the expectation of an even prosperous future, we are about to move in our own building located in the Environment Protection Park in Northwest Beijing!