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Indicator: 150 ~ 3000 mg/m3
Measuring Range: 150 ~ 3000 mg/m3
Sampling Rate: 300mL/min (300mL)
Sampling Time: 1 minute
Colour Change: Green → Purple
Reaction Principle: H2O + Mg(ClO4)2 → Mg(ClO4)2 H2O
Coefficient of Variation: 10% (for 150 to 1000 mg/m3) , 5% (for 1000 to 3000 mg/m3)
Nr. of tests: 10
| Measuring Range | 150 to 3000 mg/m3 |
| Sampling Rate | 300mL/min (300mL) |
| Correction Factor | 1 |
| Sampling Time | 1 minutes |
| Colour Change | Green → Purple |
| Reaction Principle | H2O + Mg(ClO4)2 → Mg(ClO4)2  H2O |
| Coefficient of Variation | 10% (for 150 to 1000 mg/m3) , 5% (for 1000 to 3000 mg/m3) |
| Shelf Life | 2 Years |
| Corrections for temperature | Unnecessary for 0 to 40℃ |
| Store the tubes at cool and dark place. | |
| Calibration gas generation | Bubbling method |
Measurement procedure:
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1.Install a reducer pressure with gauge and flow metre to a cylinder, compressor or air line and adjust the flow metre the required setting. | |
| 2.Break tips off a fresh detector tube in the tube tip breaker and insert a tube into a tube holder. |
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3.Attach the rubber tube holder to the flow metre outlet. Make certain the tube arrow on the tube pointing in a down direction. |
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| 4.Turn on the cylinder or compressor and confirm the flow metre according to each Airtec tube specifications. |
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5.Time the flow rate with a stopwatch. | |
| 6.As soon as sampling time has elapsed turn off the cylinder or compressor, and remove the tube from the tube holder and then read the colour change layer immediately. |
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