Gastec 1HH 快速一氧化碳测量探测管CO(1-50%)

Indicator: 2~50%
Measuring Range: 
+ 1 ~ 2%, 1 Number of Pump Strokes
+ 2 ~ 50%, 1/2 Number of Pump Strokes
Sampling Time: 1 minute per 1/2 pump stroke
Colour Change: White → Blackish brown
Reaction Principle: 5CO + I2O5 + H2S2O7 → I2
Coefficient of Variation: 10% (for 2 to 15 %), 5% (for 15 to 50 %)
Nr. of tests: 10
Pump: GV-100S/110S

Detail

Catalog

Manual

t of Variation 10% (for 2 to 15 %), 5% (for 15 to 50 %)
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
Acetylene 0.2% Puls error Blackish brown
Olefines
(Ethylene, Propylene)
2/3 Puls error Brown
Butane 1% Puls error Pale brown (whole layer)
Propane 20% Puls error
Calibration gas generation High pressure gas cylinder method
TLV-TWA TLV-STEL Explosive range
25 ppm(2014) - 12.5 to 74%
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