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Gastec 1M Quick-measuring Detector tubes Carbon monoxide CO (0.05~4.0%)

  • Manufacturer: Gastec
    Model: CO Gastec 1M
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  • 40.00
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Manufacture: Gastec
Model: 1M
Origin: Japan

Indicator: 0.2 ~5.0%
Measuring Range:
+ 0.05 ~ 0.1%, Number of Pump Strokes 2
+ 0.1 ~ 2.0%, Number of Pump Strokes 1
+ 2.0 ~4.0%, Number of Pump Strokes 1/2
Sampling Time: 1 minute per pump stroke
Colour Change: White → Pale brown
Reaction Principle: 5CO + I2O5 + H2S2O7 → I2
Coefficient of Variation: 10% ( 0.1 ~ 0.5%), 5% (0.5 ~ 2 %)
Nr. of tests: 10
Pump: GV-100S/110S

Detail

Catalog

Manual

Performance
Measuring Range
0.05 to 0.1% 0.1 to 2.0% 2.0 to 4.0%
Number of Pump Strokes
2 1 1/2
Correction Factor
1/2 1 2
Sampling Time 1 minute per pump stroke
Detecting Limit 0.01% (n=2)
Colour Change White → Pale brown
Reaction Principle 5CO + I2O5 + H2S2O7 → I2
Coefficient of Variation 10% (for 0.1 to 0.5 %), 5% (for 0.5 to 2 %)
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 0.1% + Blackish brown
Olefins 2/3 time + Pale brown
Butane 0.3% + Pale brown (whole layer)
Propane 10% + Pale brown (whole layer)
Hexane 0.1% + Pale brown
Other substance measurable with this detector tube
Substance Correction Factor No. of pump strokes Measuring Range
Gasoline 1 1 0.1 to 2%
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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