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主页 有毒有害气体快速检测管（用泵） Gastec 14L 氯化氢HCl气体检测管（0.2-76ppm）

Gastec 14L 氯化氢HCl气体检测管（0.2-76ppm）

Indicator: 1 to 20 ppm
Measuring Range: 
+ 0.2 to 1 ppm, Number of Pump Strokes 2 to 5
+ 1 to 20 ppm, Number of Pump Strokes 1
+ 20 to 76 ppm, Number of Pump Strokes 1/2
Sampling Time:  per pump stroke
Colour Change: Yellow → Pink
Coefficient of Variation: 10% (for 1 to 5 ppm), 5% (for 5 to 20 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Details

Catalog

Manual

Performance
Measuring Range
0.2 to 1 ppm 1 to 20 ppm 20 to 76 ppm
Number of Pump Strokes
2 to 5 1 1/2
Correction Factor
1/2 to 1/5 1 3.8
Sampling Time 45 seconds per pump stroke
Detecting Limit 0.05 ppm (n=5)
Colour Change Yellow → Pink
Reaction Principle Hydrogen chloride reacts with indicator to produce pink stain.
HCl + Indicator → Chemical reaction compound
Coefficient of Variation 10% (for 1 to 5 ppm), 5% (for 5 to 20 ppm)
Shelf Life 3 Years
Corrections for temperature & humidity Unnecessary
Store the tubes at cool and dark place.
Possible coexisting substances and their interferences (NOTE)
Substance Concentration Interference Change colour by itself to
Chlorine 1/2 + Pink
Nitric Acid 1/10 + Pink
sulphur dioxide 10 times + Pink
Nitrogen dioxide 5 times + Pink
Calibration gas generation High pressure gas cylinder method
TLV-TWA TLV-STEL Explosive range
- C 2 ppm -
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