Gastec 100A 快速液化石油气测量探测管 - 液化石油气(0.02~0.8%)

Indicator: 0.02 ~ 0.8%
Measuring Range: 0.02 ~ 0.8%, Number of Pump Strokes 1
Sampling Time: 2 minute per pump stroke
Colour Change: Orange → Blackish Green
Reaction Principle: LPG+ Cr^(6+)+ H2SO4 → Cr^(3+)
Coefficient of Variation: 10% (for 0.02 to 0.2 %), 5% (for 0.2 to 0.8 %)
Nr. of tests: 10
Pump: GV-100S/110S

Detail

Catalog

Manual

Performance
Measuring Range 0.02 to 0.8%
Number of Pump Strokes 1
Correction Factor 1
Sampling Time 2 minutes per pump stroke
Detecting Limit 0.002% (n=1)
Colour Change Orange → Blackish Green
Reaction Principle LPG+ Cr6++ H2SO4 → Cr3+
Coefficient of Variation 10% (for 0.02 to 0.2 %), 5% (for 0.2 to 0.8 %)
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
Ketones 2000ppm + Blackish green
Esters 2000ppm + Blackish green
Hydro carbons(3)   + Blackish green
Other substance measurable with this detector tube
Substance Correction Factor No. of pump strokes Measuring Range
Propylene 1 1 0.02 to 0.8 %
Xylene by scale 2 0.1 to 1.2 %
Calibration gas generation Static gas dilution method
TLV-TWA TLV-STEL Explosive range
- - 1.6to10%
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