Gastec 9DL 二氧化氮被动发现管NO2（0.01~3.0 ppm）

制造商: Gastec
Model: 9DL
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技术规格
制造商消息

Indicator: 0.3 to 3 ppm
Measuring Range: 0.01 to 3.0 ppm
Sampling Hours: 1 to 24 hours
Colour Change: White → Green
Reaction Principle: ABTS + NO2 → Green product
Coefficient of Variation: 10% (for 0.01 to 3.0 ppm-hr)
Nr. of tests: 10

Details

Performance

Measuring Range	0.01 to 3.0 ppm
Sampling Hours	1 to 24 hours
Detecting Limit	0.01 ppm
Colour Change	White → Green
Reaction Principle	ABTS + NO2 → Green product
Coefficient of Variation	10% (for 0.01 to 3.0 ppm-hr)
Shelf Life	1 Year
Corrections for temperature & humidity	Unnecessary
Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below.

Possible coexisting substances and their interferences (NOTE)

Substance

Concentration

Interference

Change colour by itself to

Carbon monoxiide	≦ 10ppm	No	No ( ≦ 10 ppm)
Chlorine	≦ 0.07 ppm	No	No ( ≦ 0.07 ppm)
Ozone	≦ 0.045 ppm	No	No ( ≦ 0.045 ppm)
sulphur dioxide			No ( ≦ 0.1 ppm)
Carbon dioxide	≦ 600 ppm	No	No ( ≦ 600 ppm)
Formaldehyde			No ( ≦ 0.1 ppm)