お得な情報を受け取る
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。
登録することで、当社の利用規約およびプライバシーポリシーに同意したものとみなされます。
クイックサポート
認定専門家へ直接アクセス
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。
登録することで、当社の利用規約およびプライバシーポリシーに同意したものとみなされます。
認定専門家へ直接アクセス
Indicator: 5 to 50 ppm
Measuring Range:
+ 0.63 to 1.25 ppm, Number of Pump Strokes 4
+ 1.25 to 2.5 ppm, Number of Pump Strokes 2
+ 2.5 to 50 ppm, Number of Pump Strokes 1
+ 50 to 100 ppm, Number of Pump Strokes 1/2
Sampling Time: 3 minutes per pump stroke
Colour Change: Blue → Yellow
Reaction Principle:
+ CS2 + CrO3 + H2S2O7 → SO2 + CO2;
+ SO2 + BaCl2 + H2O → BaSO3 + 2HCl;
+ HCl + Base → Chlorides
Coefficient of Variation: 10% (for 2.5 to 10 ppm), 5% (for 10 to 50 ppm)
Nr. of tests: 5
Pump: GV-100S/110S
| Measuring Range |
|
||||
| Number of Pump Strokes |
|
||||
| Correction Factor |
|
||||
| Sampling Time | 3 minutes per pump stroke | ||||
| Detecting Limit | 0.3 ppm (n=4) | ||||
| Colour Change | Blue → Yellow | ||||
| Reaction Principle | CS2 + CrO3 + H2S2O7 → SO2 + CO2 SO2 + BaCl2 + H2O → BaSO3 + 2HCl HCl + Base → Chlorides |
||||
| Coefficient of Variation | 10% (for 2.5 to 10 ppm), 5% (for 10 to 50 ppm) | ||||
| Shelf Life | 3 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 |
| Ammonia | No | No | |
| Hydrogen cyanide | 200 ppm | No | No |
| sulphur dioxide | 1/ 5 time | + | Yellow |
| Calibration gas generation | Diffusion tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 1 ppm (2014) | - | 1.3 to 50% |
