TVOC Indoor Air Quality Monitor
FEATURES
Real time monitor ambiance air quality
Semiconductor mix gases sensor with 5 year life
Gas detection: cigarette smoke, VOCs such as formaldehyde and toluene, ethanol, ammonia, hydrogen sulfide, sulfur dioxide and other harmful gases
Monitor temperature and relative humidity
Three-color (green/orange/red) LCD backlit indicating air quality at optimal/moderate/poor
Preset warning point of buzzer alarm and backlight
Provide one relay output to control a ventilator
Modbus RS485 communication optional
High quality technics and elegant appearance, best choice for home and office
220VAC or 24VAC/VDC power selectable; power adaptor available; desktop and wall mounting type available
EU standard and CE-approval
TECHNICAL SPECIFICATIONS
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. |
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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 Sensor | Temperature | Relative Humidity |
Sensing element | NTC 5K | Capacitive 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) |
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Warning alarm | Inner buzzer alarm and also three colors backlit switch as well | |
Buzzer alarm | Alarm starts when VOC value above 25ppm | |
LCD backlit |
Green—optimal air quality ► enjoy the air quality
Orange—moderate air quality ► ventilation suggested Red—-poor air quality ► ventilation immediately |
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 |