Gastec 113 快速异丙醇检测管C3H7OH(0.02~5.0%)

Indicator: 0.04 to 2.5%
Measuring Range: 
+ 0.02 to 0.04%, Number of Pump Strokes 2
+ 0.04 to 2.5%, Number of Pump Strokes 1
+ 2.5 to 5.0%, Number of Pump Strokes 1/2
Sampling Time: 1 minute per pump stroke
Colour Change: Pink → Pale Blue
Reaction Principle: CH3CH(OH)CH3 + Cr6++ H2SO4 → Cr3+
Coefficient of Variation: 15% (for 0.04 to 0.5 %), 10% (for 0.5 to 2.5 %
Nr. of tests: 10
Pump: GV-100S/110S

Detail

Catalog

Manual

Performance
Measuring Range
0.02 to 0.04% 0.04 to 2.5% 2.5 to 5.0%
Number of Pump Strokes
2 1 1/2
Correction Factor
1/2 1 2
Sampling Time 1 minute per pump stroke
Detecting Limit 0.004% (n=2)
Colour Change Pink → Pale Blue
Reaction Principle CH3CH(OH)CH3 + Cr6++ H2SO4 → Cr3+
Coefficient of Variation 15% (for 0.04 to 0.5 %), 10% (for 0.5 to 2.5 %)
Shelf Life 3 Years
Corrections for temperature & humidity Temperature correction is necessary
Store the tubes at cool and dark place.
Possible coexisting substances and their interferences (NOTE)
Substance Concentration Interference Change colour by itself to
Alcohols   + Pale blue
Carbon dioxide   No No
Carbon monoxide   No No
Other substance measurable with this detector tube
Substance Correction Factor No. of pump strokes Measuring Range
Propyl alcohol 1 1 0.04 to 2.5 ppm
Calibration gas generation Static gas dilution method
TLV-TWA TLV-STEL Explosive range
200 ppm(2014) 400 ppm(2014) 2 to 12.7%
  • 质量承诺
  • 正品保修
  • 送货到家
  • 交易简单化