Schedule 8
In forceMaximum permissible uncertainty and maximum permissible variation—area (Inspectors’ Class 1 standards)
Schedule 8 Maximum permissible uncertainty and maximum permissible variation—area (Inspectors’ Class 1 standards)
(paragraph 27(b), subparagraph 27(e)(i) and regulation 32)
Column 1 Denomination not exceeding (in dm2) | Column 2 Maximum permissible uncertainty (at 95% level of confidence) | Column 3 Maximum permissible variation |
≤35 | 0.05 | 0.18 |
40 | 0.05 | 0.20 |
50 | 0.06 | 0.25 |
60 | 0.08 | 0.30 |
70 | 0.09 | 0.35 |
80 | 0.10 | 0.40 |
90 | 0.11 | 0.45 |
100 | 0.13 | 0.50 |
150 | 0.15 | 0.75 |
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