Gastec 17D 氟化氢被动发现管HF(1~100 ppm)

Indicator: 10 ~ 100 ppm
Measuring Range: 1 ~ 100 ppm
Sampling Hours: 1~10 hours
Colour Change: Yellow → Purple
Reaction Principle: HF + Indicator → Purple product
Coefficient of Variation: 15% (for 10 to 20 ppm-hr),10% (for 20 to 100 ppm-hr)
Nr. of tests: 10

Detail

Catalog

Performance
Measuring Range 1 to 100 ppm
Sampling Hours 1 to 10 hours
Detecting Limit 0.5 ppm (10 hours)
Colour Change Yellow → Purple
Reaction Principle HF + Indicator → Purple product
Coefficient of Variation 15% (for 10 to 20 ppm-hr),10% (for 20 to 100 ppm-hr)
Shelf Life 3 Years
Corrections for temperature & humidity Temperature and Humidity correction is necessary
Store the tubes at cool and dark place.
Possible coexisting substances and their interferences (NOTE)
Substance Concentration Interference Change colour by itself to
Chlorine ≧ 1/5 +(Bleaches zero zone) Bleaches zero zone
Hydrogen chloride
Nitric acid
1/5 + Purple
Other substance measurable with this detector tube
Substance Correction Factor Measuring Range
Nitric acid 0.32 0.32 to 32 ppm
Hydrogen chloride 0.4 0.4 to 40 ppm
Calibration gas generation Permeation tube method
TLV-TWA TLV-STEL Explosive range
0.5ppm (2015) C 2 ppm (2015) -

 

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