HHTP21 Air Quality Monitor
■Particle pollution comes from many different type of sources. Fine particle (2.5 micrometers in diameter and smaller) include power plants, industrial processes, vehicle tailpipes, wood stoves, and wildfires. Coarse particles (between 2.5 and 10 micrometers) come from crushing and grinding operations, road dust, and some agricultural operations.
■Particle pollution is linked a number of health problems, including coughing, wheezing, reduced lung function, asthma attacks, heart attacks and strokes. It also is linked to early death.
■The meter is a real-time air quality monitor instrument used to monitor the concentration of PM2.5, humidity and temperature in the indoor environment. The meter convert the concentration of PM2.5 in the air into visual data, and evaluate the air quality comprehensively. Visual and audio alarm will be actived when the air quality reached a critical or alarm limit values.
●Features:
■Fine particulate matter (PM2.5) measurement.
■Temperature and Humidity measurements.
■Health index (0 ~ 9) detection and alarm.
■PM2.5 time weighted average reading.
■Data hold and MAX/MIN with time stamp function.
■Six-color LED indication Air Quality Index Category.
■Preset warning point of buzzer alarm, LED and alarm output.
■Manual data memory and read function.
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2015/10/27 |
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1.7 MB |
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