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Gastec 4D被动Dosl管硫化氢H2S(0.2~200 ppm)

  • 制造商: Gastec
    Model: 4D
    • 报价要求 报价要求
  • Price (exclude tax) 1,025,325 VND
    Price (include tax) 1,127,858 VND
  • 价格合理详情请致电

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Indicator: 10~200ppm
Measuring Range: 0.2 to 200 ppm
Sampling Hours: 1 to 48 hours
Colour Change: White → Brown
Reaction Principle: H2S + Pb(CH3COO)2 → PbS + 2CH3COOH 
Coefficient of Variation: 10% (for 10 to 200 ppm-hr)
Nr. of tests: 10

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Catalo

Performance
Measuring Range 0.2 to 200 ppm
Sampling Hours 1 to 48 hours
Detecting Limit 0.2 ppm (10 hours)
Colour Change White → Brown
Reaction Principle H2S + Pb(CH3COO)2 → PbS + 2CH3COOH
Coefficient of Variation 10% (for 10 to 200 ppm-hr)
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
Nitrogen dioxide 。� 5 ppm No
Ammonia 。� 25 ppm No No
Chlorine 。� 1 ppm No No
sulphur dioxide 。� 5 ppm No No
Calibration gas generation Permeation tube method
TLV-TWA TLV-STEL Explosive range
1 ppm 5 ppm 4.0 to 44%


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