
Gastec 3H Quick-measuring Detector tubes Ammonia NH3 (0.2~32%)
Manufacturer: Gastec Model: 3H - Contact
See more: Equipment Calibration-Inspection & Repair Service
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Indicator: 1 to 16%
Measuring Range:
+ 0.2 to 1%, Number of Pump Strokes 5 - 2
+ 1 to 16%, Number of Pump Strokes 1
+ 16 to 32%, Number of Pump Strokes 1/2
Sampling Time: 45 seconds per pump stroke
Colour Change: Purple → Yellow
Reaction Principle: 3NH3 + H3PO4 → (NH4)3PO4
Coefficient of Variation: 10% (for 1 to 4 %), 5% (for 4 to 16 %)
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 | 45 seconds per pump stroke | |||
Detecting Limit | 0.05% (n=5) | |||
Colour Change | Purple → Yellow | |||
Reaction Principle | 3NH3 + H3PO4 → (NH4)3PO4 | |||
Coefficient of Variation | 10% (for 1 to 4 %), 5% (for 4 to 16 %) | |||
Shelf Life | 3 Years | |||
Corrections for temperature & humidity | Unnecessary | |||
Store the tubes at cool and dark place. |
Substance | Concentration | Interference | Change colour by itself to |
Hydrazine | + | Yellow | |
Amines other than aromatic amines | + | Yellow |
- Quality Engagement
- Easy change and return
- Delivery Avaliable
- Favorable payment