TVOC Indoor Air Quality temperature humidity monitor/TVOC meter 3 color backlit LCD buzzer alarm CE

Product Overview

Description

Room IAQ Monitor / Alarm

 

 

u Real time indoor air quality detection and alarm

u High sensitivity to VOC and other indoor contaminative gases

u Temperature and humidity detection and display

u Three-color backlit LCD and buzzer alarm

u Provide 1 xon/off output to control a ventilator

u Modbus RS485 interface optional 

u Excellent performance

 

 

 

 

Gas detection	Highly sensitive to many harmful gases, such as harmful gases   from   construction   and   decoration materials, VOCs (like   toluene and   formaldehyde); Cigarette   smoke;   Ammonia and   H2S and other gases   from  household wastes; CO,   SO2 from   cooking   and burning; Alcohol,   Natural  gas, detergent and   other bad   smells etc.
Sensing element	Semiconductor mix gas sensor of long working life and good   stability
Signal update	1s
Warm up time	72 hours (first time), 1 hour (normal operation)
VOC measuring range	1~30ppm   ( 1ppm= 1 part per million)
Display resolution	0.1ppm
VOC setting resolution	0.1ppm
Temperature & Humidity sensing element	Digital combined temperature and humidity sensor
Measuring range	0~50℃	0 -95%RH
Accuracy	±0.5℃ (25℃, 40%-60%RH)	±4%RH (25℃, 40%-60%RH)
Display resolution	0.5℃	1%RH
Stability	±0.5℃per year	±1%RH per year
Output	1xRelay output to control a ventilator or air-purifier, max   current 3A   resistance(220VAC)
RS485 interface (option)	Modbus protocol with 19200bps
Operation condition	-20℃~60℃ (-4℉~140℉)/ 0~ 95% RH
Storage conditions	0℃~50℃ (32℉~122℉)/ 5~ 90% RH
Net Weight	190g
Dimensions	130mm(L)×85mm(W)×36.5mm(H)
Installation standard	Desktop or wall mount (65mm×65mm or 85mmX85mm or 2”   ×4” wire   box)
Wiring standard	Wire section area <1.5mm2
Power supply	24VAC/VDC,230VAC
Consumption	2.8 W
Quality System	ISO 9001
Housing	PC/ABS fire-proof, IP30 protection
Certificate	CE

 

 

Application

u Ambiance air quality detection and alarm

u Ventilation systems

u Air cleaning systems.

u Installation place such as bedroom, sitting room, study and dinner room, kindergarten, classroom, office, car, restaurant, and other public places.

 

 

 

 

 

        

Tongdy Sensing, located in Beijing Zhongguancun Environmental Science and Technology Park, which is the leader of air quality detection.Tongdy has been always focusing on its strong technology development and design capabilities, constantly providing high quality products for air quality monitoring and control. 

Tongdy has its own R&D office building and massive investments in R&D facilities like aging and testing laboratories and professional calibration chambers provide the necessary conditions for its continuous R&D and stable development. Tongdy’s products include: Carbon dioxide, carbon monoxide, ozone, TVOC, PM2.5/PM10, formaldehyde and other gas monitors/controllers; indoor air quality/in-duct air quality/outdoor air environment monitors, data collection and  analysis.

These products have been widely used in thousands of projects in Europe, North America, the Gulf region and the Asia-Pacific region for over 15 years, and accumulating long-term application data and experience in different environment.

Tongdy has excellent reputation and popularity in the HVAC and green building industries.