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数量割引、まとめ買い価格の更新、新製品情報をメールでお届けします。
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Indicator: 1~30ppm
Measuring Range:
+ 0.2 to 0.5 ppm, Number of Pump Strokes 2
+ 0.5 to 30 ppm, Number of Pump Strokes 1
+ 30 to 75 ppm, Number of Pump Strokes 1/2
Sampling Time: 1.5 minute per pump stroke
Colour Change: Yellow → Red
Reaction Principle: C2H5SH + HgCl2 →C2H5SHgCl + HCl, HCl + Base→ Chloride
Coefficient of Variation: 10% (for 0.5 to 5 ppm), 5% (for 5 to 30 ppm)
Nr. of tests: 10
Pump: GV-100S/110S
| Measuring Range |
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| Number of Pump Strokes |
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| Correction Factor |
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| Sampling Time | 1.5 minutes per pump stroke | |||
| Detecting Limit | 0.15 ppm (n=2) | |||
| Colour Change | Yellow → Red | |||
| Reaction Principle |
C2H5SH + HgCl2 →C2H5SHgCl + HCl |
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| Coefficient of Variation | 10% (for 0.5 to 5 ppm), 5% (for 5 to 30 ppm) | |||
| Shelf Life | 2 Years | |||
| Corrections for temperature & humidity | Temperature correction is necessary | |||
| Store the tubes at cool and dark place. | ||||
| Substance | Concentration | Interference | Change colour by itself to |
| Hydrogen sulphide | + | Red | |
| Mercaptans | + | Red | |
| Acetylene | No | No | |
| Carbon monoxide | No | No | |
| Ethylene | No | No |
| Calibration gas generation | Permeation tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 0.5 ppm(2014) | - | 2.8 to 18.2% |
