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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: 0.1 to 5 ppm
Measuring Range:
+ 0.05 to 0.1 ppm, Number of Pump Strokes 10
+ 0.1 to 5 ppm, Number of Pump Strokes 5
+ 5 to 20 ppm, Number of Pump Strokes 1
Sampling Time: per pump stroke
Colour Change: White → Yellow
Reaction Principle: COCl2+ (CH3)2NC6H4CHO → (CH3)2NC6H4CHCl2 + CO2, (CH3)2NC6H4CHCl2 + (C6H5)2NH → Yellow Product
Coefficient of Variation: 10% (for 0.1 to 1 ppm), 5% (for 1 to 5 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 minute per pump stroke | |||
| Detecting Limit | 0.01 ppm (n=10) | |||
| Colour Change | White → Yellow | |||
| Reaction Principle | COCl2+ (CH3)2NC6H4CHO → (CH3)2NC6H4CHCl2 + CO2 (CH3)2NC6H4CHCl2 + (C6H5)2NH → Yellow Product |
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| Coefficient of Variation | 10% (for 0.1 to 1 ppm), 5% (for 1 to 5 ppm) | |||
| Shelf Life | 1.5 Years | |||
| Corrections for temperature & humidity | Temperature correction is necessary | |||
| Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below. | ||||
| Substance | Concentration | Interference | Change colour by itself to |
| Hydrogen chloride | 1/10 time | + | Yellow |
| Chlorine | 1/2 time | + | Yellow |
| Nitrogen dioxide | 1/5 time | + | Yellow |
| Calibration gas generation | Permeation tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 0.1 ppm (2014) | - |
