Gastec 104 丁烷气体检测管 C4H10(25~1400 ppm)

Indicator: 50 to 1400 ppm
Measuring Range: 25 to 1400 ppm, Number of Pump Strokes 1
Sampling Time: 3 minute per pump stroke
Colour Change: Orange → Dark Green
Reaction Principle: C4H10 + Cr6++ H2SO4 → Cr3+
Coefficient of Variation: 10% (for 25 to 400 ppm), 5% (for 400 to 1400 ppm)
Nr. of tests: 10
Pump: GV-100S/110Sc

Detail

Catalog

Manual

Performance
Measuring Range 25 to 1400 ppm
Number of Pump Strokes 1
Correction Factor 1
Sampling Time 3 minutes per pump stroke
Detecting Limit 5 ppm (n=1)
Colour Change Orange → Dark Green
Reaction Principle C4H10 + Cr6++ H2SO4 Cr3+
Coefficient of Variation 10% (for 25 to 400 ppm), 5% (for 400 to 1400 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
Organic solvents   + Dark green
Other substance measurable with this detector tube
Substance Correction Factor No. of pump strokes Measuring Range
Isobutane Factor : 2.2 1 55 to 3080 ppm
Pentane Factor : 1.2 1 30 to 1680 ppm
Calibration gas generation Static gas dilution method
TLV-TWA TLV-STEL Explosive range
- 1000 ppm (2014) 1.6 to 8.5%
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