TM-280W(WIFI) PM 2.5 Indoor Air Quality Monitor

Product Price $ 200

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TM-280W(WIFI) PM 2.5 Indoor Air Quality Monitor NEW

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TM-280W(WiFi) PM 2.5 Indoor Air Quality Monitor

Features:

Instant measurement PM2.5.
Instant clock hour and month display
Ambient Humidify and temperature measurement.
When the meter’s WiFi(TM-280W) is turned on, you can use the mobile phone APP to view the PM2.5 real-time and historical data.
Easy operation from the one button on the top, switch between the function of PM2.5, US AQI or CN AQI.

Specifications:

2”TFT LCD display
Wifi ON / OFF button
Power supply: 3.7V 18650 2600mA/h rechargeable lithium battery, battery life 8 hours.
AUTO power off
Power-saving management: Energy-conservation at night the preset is PM10:00~AM7:00, the function preset is off.
Six colors bar-graph display correspond to the PM 2.5 AQI index indicate the different levels of health concern.
Dimension: 84 * 81 * 55 mm
Weight: about 215g

Measurement range of particulate matter (PM 2.5)	0-500 μg/m³
Reaction time	<10 seconds
Temperature measurement range	-20~50°C (-4~122°F )
Reaction time	5 seconds (at least)
Measurement range of humidity	1 - 99% RH
Resolution	PM 2.5→1	Temperature and Humidity→0.1
Reaction time	8 seconds (at least)
WIFI wireless	Antenna type	internal
	Protocol	A-MPDU and A-MSDU aggregation and 0.4 µs guard interval support
	Frequency range	2.4 GHz ~ 2.5 GHz

Lookup Table for AQI and PM2.5 Value

Air Quality Index (AQI)	Corresponding PM2.5 Concentration		Air Pollution Level for Health	Color Code
Air Quality Index (AQI)	CN standard	US standard	Air Pollution Level for Health	Color Code
0 - 50	0-35	0-12	Level 1 (Excellent)	Green
51 - 100	36-75	13-35	Level 2 (Good)	Yellow
101 - 150	76-115	36-55	Level 3 (Lightly Polluted)	Orange
151- 200	116-150	56-150	Level 4 (Moderately Polluted)	Red
201 - 300	151-250	151-250	Level 5 (Heavily Polluted)	Purple
301 - 500	251-500	251-500	Level 6 (Severely Polluted)	Maroon