56 of 66Specifications - 3654 Portable H2/N2 Analyzer
7.2 Sensor Specifications
Table 7-2: Sensor Specifications - Table 1
Sensor Type |
| 31 270 H2 |
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Membranes | 29561A | 2952A | 2935A | |
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Thickness | 25 µm | 25 µm | 25 µm | |
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Membrane material | PFA | ETFE | ECTFE | |
(Halar) | ||||
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Recommended | Waste gas offgas, | Reactor | High H2 level | |
applications | reactor coolant | coolant | ||
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Radiation limits | 105 rad | 108 rad | 108 rad | |
Measurement range at | ||||
25°C | ||||
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Accuracy (sample temp. | The greater of | The greater of | The greater of | |
±1% of reading | ±1% of reading | ±1% of reading | ||
or ± 4 ppb, | or ± 16 ppb, | or ± 45 ppb, | ||
± 5°C of calibration | ||||
or ± 0.06cc/kg, | or ± 0.2cc/kg, | or ± 0.5 cc/kg, | ||
temperature) | ||||
or ± 3 mbar | or ± 12 mbar | or ± 30 mbar | ||
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| The greater of | The greater of | The greater of | |
Accuracy (sample temp. | ±2% of reading or | ±2% of reading | ±2% of reading | |
± 30 ppb or | or ± 120 ppb | or ± 300 ppb | ||
calibration temperature) | ± 0.35 cc/kg or | or ± 1.2 cc/kg, | or ± 3.0 cc/kg, | |
| ± 12 mbar | or ± 40 mbar | or ± 100 mbar | |
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Measurement cycle |
| 20 |
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(sec.) |
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Sample flow rate | 200 ml/min | 100 ml/min | 50 ml/min | |
(through flow chamber) | ||||
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ORBISPHERE | Operator Manual |