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

Product Price $ 200

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

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

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

  • 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.


  • 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


measurement range

-20~50°C (-4~122°F )

Reaction time

5 seconds (at least)

Measurement range of humidity

1 - 99% RH


PM 2.5→1

Temperature and Humidity→0.1

Reaction time

8 seconds (at least)

WIFI wireless

Antenna type



A-MPDU and A-MSDU aggregation and

0.4 µs guard interval support

Frequency range

2.4 GHz ~ 2.5 GHz




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