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Table 22
Uncertainty budget in consumption, Test 1, Lab B.
| Type | Source of uncertainty | Value (U) | Unit | Distribution | k | u (xi) | Veff | uc (xi) | ||
|---|---|---|---|---|---|---|---|---|---|---|
| B | Barometer uncertainty − Pa | 0.06900 | kPa | Normal | 2 | 0.0345 | ∞ | 0.03456 | ||
| B | Lower division of the barometer − Pa | 0.00500 | kPa | Triangular |
 |
0.0020 | ∞ | |||
| B | Pressure gauge uncertainty − P | 0.00007 | kPa | Normal | 2 | 0.0000 | ∞ | 0.00204 | ||
| B | Lower division of the pressure gauge − P | 0.00500 | kPa | Triangular |
 |
0.0020 | ∞ | |||
| B | Flow meter uncertainty −  |
0.00038 | m3/h | Normal | 2 | 0.0002 | ∞ | 0.00011 | ||
| B | Lower division of the flow meter −  |
0.00005 | m3/h | Triangular |
 |
0.0000 | ∞ | |||
| B | Uncertainty of the gas thermometer − Tg | 0.33000 | °C | Normal | 2 | 0.1650 | ∞ | 0.19401 | ||
| B | Lower division of the gas thermometer − Tg | 0.25000 | °C | Triangular |
 |
0.1021 | ∞ | |||
| A | Repeatability | 0.00163 | kW | Normal |
 |
0.0006 | 6 | 0.00062 | ||
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