Gastec 14R 快速氯化氢检测管(50~5000ppm,用于低湿度环境)

Indicator: 200 to 5000 ppm
Measuring Range: 
+ 50 to 200 ppm, Number of Pump Strokes 2 to 4
+ 200 to 5000 ppm, Number of Pump Strokes 1
Sampling Time: 45 seconds per pump stroke
Colour Change: Purple → Pale pink
Coefficient of Variation: 10% (for 200 to 1000 ppm), 5% (for 1000 to 5000 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Detail

Catalog

Manual

Performance
Measuring Range
50 to 200 ppm 200 to 5000 ppm
Number of Pump Strokes
2 to 4 1
Correction Factor
1/2 to 1/4 1
Sampling Time 45 seconds per pump stroke
Detecting Limit 10 ppm (n=4)
Colour Change Purple → Pale pink
Reaction Principle Hydrogen chloride reacts with indicator to produce pale pink stain.
Coefficient of Variation 10% (for 200 to 1000 ppm), 5% (for 1000 to 5000 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
Carbon monoxide   No No
Nitric oxide   No No
Chlorine ≧ 4ppm + White( ≧ 1ppm )
Carbon dioxide   No No
Nitrogen dioxide ≧ 1000ppm + White( ≧ 1000ppm )
Hydrogen sulphide ≧ 5% No
Sulphur dioxide ≧ 100ppm + Yellow
n-Hexane   No No
Calibration gas generation High pressure gas cylinder method
TLV-TWA TLV-STEL Explosive range
- C 2 ppm(2014) -

 

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