Gastec 1DL 一氧化碳被动发现管CO(0.4~400 ppm)

Indicator: 10~200ppm
Measuring Range: 0.4 ~ 400 ppm
Sampling Hours: 0.5 to 24
Colour Change: Pale Yellow → Brown
Reaction Principle: CO + Na2Pd(SO3)2 → Pd + CO2 + SO2 + Na2SO3
Coefficient of Variation: 10% (for 10 to 200 ppm-hr)
Nr. of tests: 10

Detail

Catalog

Performance
Measuring Range 0.4 to 400 ppm
Sampling Hours 0.5 to 24 hours
Detecting Limit 0.2 ppm (24 hours)
Colour Change Pale Yellow → Brown
Reaction Principle CO + Na2Pd(SO3)2 → Pd + CO2 + SO2 + Na2SO3
Coefficient of Variation 10% (for 10 to 200 ppm-hr)
Shelf Life 2 Years
Corrections for temperature & humidity Unnecessary
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
Nitrogen monoxide

≦ 1/10

No No
Sulphur dioxide ≦ 1/1 No No
Nitrogen dioxide ≦ 1/20 No Brown
Calibration gas generation High pressure gas cylinder method
TLV-TWA TLV-STEL Explosive range
25 ppm - 12.5 to 74%

 

  • 质量承诺
  • 正品保修
  • 送货到家
  • 交易简单化