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Gastec 152D被动Dosl管甲基乙基酮CH3COC2H5(2~600 ppm)

  • 制造商: Gastec
    Model: 152D
    • 报价要求 报价要求
  • 1,025,325 VND
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Manufacture: Gastec
Model: 152D
Origin: Japan

Indicator: 20 ~ 600 ppm
Measuring Range: 2 ~ 600 ppm
Sampling Hours: 1 to 10 hours
Colour Change: Yellow → Reddish Brown
Reaction Principle: 3CH3COC2H5+ (NH2OH)3H3PO4 → H3PO4, H3PO4 + Base → Phosphate
Coefficient of Variation: 10% (for 20 to 600 ppm-hr)
Nr. of tests: 10

详细

Catalog

Performance
Measuring Range 2 to 600 ppm
Sampling Hours 1 to 10 hours
Detecting Limit 2 ppm (10 hours)
Colour Change Yellow → Reddish Brown
Reaction Principle 3CH3COC2H5+ (NH2OH)3H3PO4 → H3PO4
H3PO4 + Base → Phosphate
Coefficient of Variation 10% (for 20 to 600 ppm-hr)
Shelf Life 2 Years
Corrections for temperature & humidity Temperature correction is necessary
Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below.
Possible coexisting substances and their interferences (NOTE)
Substance Concentration Interference Change colour by itself to
Aldehydes   + Reddish brown
Ketones   + Reddish brown
Acid gases   + Reddish brown
(Unclear demarcation)
Other substance measurable with this detector tube
Substance Correction Factor Measuring Range
Acetone 0.7 1.4 to 420 ppm
Methyl isobutyl ketone 2.0 4 to 1200 ppm
Acetaldehyde 0.6 1.2 to 360 ppm
Calibration gas generation Diffusion tube method
TLV-TWA TLV-STEL Explosive range
200 ppm(2014) 300 ppm(2014) 1.7 to 11.4%

 


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