TM-280W(WiFi)

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TM-280W(WiFi)-Require

TM-280W(WiFi)

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

 

The PM 2.5 Air Quality Monitor is designed with a laser particulate matter sensor for and a high-precision humidity/temperature sensor.

Application

PM2.5 is:
A lot of pollutants existing in the air, where the dust-like particles floating in the air are called particulate matter (PM). Distinguishing particle size, the particles smaller than or equal to 2.5 microns, i.e. PM2.5 is commonly known as particulate matter in units of μg/m3. With the diameter less than 1/28 of human hair thickness, the particles are so fine as to penetrate the alveoli, enter the blood vessels directly, and even circulate throughout the body via the blood. Therefore, the impact on the human body and ecology cannot be ignored.
 
The regulations for PM2.5 in Taiwan:
The Air Quality Act of Taiwan Environmental Protection Administration stipulates that the average value shall not exceed 35μg/m3 within 24 hours.
The standard adopted by Taiwan is the same as the standard of the US, please refer to the US AQI if to view the AQI in Taiwan.
 
 Lookup Table for AQI and PM2.5 Value     
Air Quality Index 
(AQI)
Corresponding PM2.5
Concentration
Air Pollution
Level for Health
Color Code
CN 
standard
US 
standard
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

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

  • Battery: rechargeable lithium battery of 3.7V 18650 2600mAh
    (using primary cell made in Japanese/Korean lithium battery), with the value 1A/5V for charging and using.
  • Battery life: approximately 8 hours for continuous use (set as one sending per hour)
  • Auto power off: Automatically shut down after 60 minutes in case of no external power input.
  • Long-term use mode: Auto shut down will be disabled when connecting to
    an external power input. (the symbol  disappears ).
  • Operation temperature and humidity: 5 to 40°C; < 80%RH (no condensation)
  • Storage temperature and humidity: -5 to 40°C, < 70%RH (no condensation)
  • Dimension: 84×81×55 mm (L×W×H)
  • Weight: approximately 217g (battery included)
Electrical specifications 
 Particulate matter
 (PM 2.5) 
 0-500 μg/m3
 Reaction time
 <10 seconds
 Accuracy
 ±5μg (<=50μg/m3)
 ±10% reading(>50μg/m3)
 Temperature 
 -20~50°C(-4~122°F))
 Reaction time
 5 seconds (at least)
 Accuracy
 ±2°C (3.6°F) No external power supply
 Humidity
 1 - 99% RH
 Reaction
 PM2.5→1
 Temperature and Humidity→0.1
 Reaction time
 8 seconds (at least)
 Accuracy
 ±5%RH: (20~80%RH @25°C)
 ±7%RH: other @25°C
 WIFI wireless   module 
 (built-in antenna)
 Protocol
 802.11 b/g/n 
 (802.11n up to 150 Mbps)
 A-MPDU and A-MSDU aggregation
 and 0.4 µs guard interval support
 Frequency range
 2.4 GHz ~ 2.5 GHz

 

Accessories

  • User’s Manual
  • Installation(Built-in 18650 Rechargeable Li-ion Battery)
  • USB AC to DC adaptor,5V/1A
  • USB cable(for charging use)

Download

File type
file name
Format
Download
TM-280W
EN.User's Manual
PDF

 

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