Máy đo khí Air Quality Formaldehyde Gas Meter HFX205

Sản phầm nổi bật

Ebara

Atago

Tin tức mới nhất

Mã sản phẩm: HFX205

Tình trạng:

Máy đo khí Air Quality Formaldehyde Gas Meter HFX205

Liên hệ

Technical data of Formaldehyde Air Quality Meter
Measuring range	0…10 ppm
Resolution	0.01 ppm
Accuracy	< ± 2%
Reaction time	< 30 seconds
Data storage	Up to 500 datasets
Operation temperature	5 ... 40°C / 41 ... 104°F
Power Supply	Li-ion battery (3.7 V/1200-mAh) AC-adapter 100 ... 240V to 5 VDC / 1 A
Operation time	6 hrs. with batteries
Dimensions	80 x 36 x 150 mm / 3.1 x 1.4 x 5.9 in
Weight	Approx. 200g / 7.9 lb
Formaldehyde
Formaldehyde is a colourless, pungent-smelling substance, which is gaseous at room temperature.An improper use can result in allergies, skin and respiratory diseases or eye irritation. It is classified as carcinogenic. In areas of textiles, the voluntary measurement of limits for harmful substances is awarded a seal of approval (e.g. Toxproof or Öko-Tex 100) is by 20 mg/kg (20ppm). In addition, formaldehyde can especially be found in the following materials: wooden materials, furniture, chip boards and groundings.
Interference with measuring rate of formaldehyde
Chemical	Formaldehyde equivalent
100 ppm methanol	1 ppm
100 ppm ethanol	1 ppm
100 ppm isopropanol	0.5 ppm
100 ppm CO	1 ppm
25 ppm phenol	0.05 ppm
100 ppm acetaldehyde	0.5 ppm
100 ppm hydrogen	3 ppm
50 ppm hydrogen sulphide	0.5 ppm
50 ppm sulphur dioxide	0.5 ppm