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产品[
硫化氢检测管4HT Hydrogen sulphide[产品打印页面]
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产品名称:
硫化氢检测管4HT Hydrogen sulphide
产品型号:
4HT
产品展商:
GASTEC
简单介绍
硫化氢检测管4HT Hydrogen sulphide H2S，Measuring Range 1 to 2 % 2 to 20 % 20 to 40 % Number of Pump Strokes 2 1 1/2 Correction Factor 1/2 1 2 Sampling Time 1 minute per pump stroke Detecting，硫化氢气体检测管价格
硫化氢检测管4HT Hydrogen sulphide的详细介绍
硫化氢检测管4HT Hydrogen sulphide
Hydrogen sulphide No.4HTH2S
Measuring Range | 1 to 2 % | 2 to 20 % | 20 to 40 % | Number of Pump Strokes | 2 | 1 | 1/2 | Correction Factor | 1/2 | 1 | 2 | Sampling Time | 1 minute per pump stroke | Detecting Limit | 0.2% (n=2) | Color Change | Pale Blue → Blackish Brown | Reaction Principle | H2S + CuSO4 → CuS + H2SO4 | | Coefficient of Variation | 10% (for 2 to 6 %), 5% (for 6 to 20 %) | | 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 color by itself | Sulfur dioxide | 5% | Minus error | No discoloration | Mercaptans | 10% | Plus error | No discoloration |
| Other substance measurable with this detector tube |
| Calibration gas generation | High pressure gas cylinder method |
| TLV-TWA | TLV-STEL | Explosive range | | 10ppm | 15ppm | 4.0 to 44% |
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