4. Due to particulate matter measurements need to start the pump, will be dust inhalation, is
recommended for daily use less as far as possible, to reduce the pollution on the sensor, thereby
increasing the service life of the instrument, such as the average daily use 5 times, the instrument
can be used for 5 years.
Attention: in the foggy there will be fine mist as dust!
12.2 HCHO introduction (only DT-9881)
1.This test is mainly used for indoor air quality testing, formaldehyde is who identified as
carcinogenic and teratogenic substance, the indoor formaldehyde content of not more than 0.1ppm,
ppm is one in a million.
2.Formaldehyde and VOC mainly in paint, glue, and agents, may also exist in the chemicals, there
may exist in the fresh food such as anti season vegetable & fruit, vegetable & fruit in different.
3.This meter is the use of advanced sensor technology, real time detection of formaldehyde in the
air, can promptly and effectively prevent formaldehyde harm to human body.
12.3 CO introduction (only DT-9881)
1.This detector can detect the concentration of CO in air, and can accurately test the 1-1000ppm
concentration values, CO is a toxic gas, mainly comes from the old stove, gas heaters, fireplaces,
fuel and exhaust device etc.
2.The harm of CO to human body can be expressed in the following form
Video Borescope User Manual
Particle Counter User Manual
21
Eastern Energy Co., Ltd.
40/4 Vitoondumri Rd., Banbueng
Banbueng, Chonburi, Thailand
Tel: 66-3844-611
sale@ete.co.th
www.eastern-energy.com
www.eastern-energy.com
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