Product SKU:1580102


Integrated air quality tester temperature, humidity, CO2, TVOC and HCHO with alarm
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Recent research by Professor Stephen Heppell and others shows that poor air quality in classrooms particularly high CO2 concentrations affects learning abilities 

The ED99 is a hand held portable air quality tester that simultaneously monitors, displays and gives audible alarm for 5 air quality criteria : the concentration of CO2, Total volatile Organic Compounds (TVOC),  Formaldehyde (HCHO), Temperature, and Humidity in the environment. 3 Imojis also indicate the air quality levels as Excellent, Good and Polution

Used inside or outside buildings to measure the toxicity of air particularly in confined spaces such as classrooms, meeting rooms, dwellings  and vehicles.

The meter has an inbuilt Lithium battery and a USB charger so can be used as a portable device or remain plugged in all day to continuosly monition changing conditions or build up of CO2 etc if windows left closed all day

  • Switchable between Centigrade and Fahrenheit with audible alarm setting on/off switch.
  • Built-in 1800mAh capacity lithium battery, with USB charging cable.
  • runtime 24 hours,
  • charging time 6 hours
  • Battery warning flashes to notify when recharging needed
  • Includes USB Charger so can run continuosly without draining battery
Air Quality Tester2
Display LCD display
Battery 1x lithium battery, 3.7V, 1800mAh (included)
CO2 measuring-range 350ppm - 2,000ppm
TVOC measuring-range 0.000 mg/m³ - 2.000 mg/m³
HCHO measuring-range 0.000 mg/m³ - 1.000 mg/m³
Temperature measuring-rang 0℃-90.0℃ ±1℃ (32℉-194℉) ±1℉)
Item size 176 x 73 x 29mm ( 6.93 x 2.87 x 1.14inch)
Item weight 222g / 7.83ounce
Carry Case size 234x180x47mm (9.21x7.09x1.85inch)
Carry Case weight 461g / 1.02lb
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