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1991 No. 146 NATIONAL MEASUREMENT REGULATIONS (AMENDMENT) - REG 9
9. Schedule 32 (Permissible variation upon verification or reverification of certain subsidiary standards of measurement that are constructed of iron)
9.1 Omit the Schedule, substitute:
SCHEDULE 32 Regulation 82
PERMISSIBLE UNCERTAINTY AND PERMISSIBLE VARIATION-LENGTH
(INSPECTORS' CLASS 1 STANDARDS AND INSPECTORS'
CLASS 2 STANDARDS)
PART 1-FLEXIBLE STANDARDS Column 1
Denomination Column 2
Permissible uncertainty:
Inspectors' Class 1 Standard
Column 3
Permissible variation:
Inspectors' Class 1 Standard
Column 4
Permissible uncertainty:
Inspectors' Class 2
standard
Column 5
Permissible
variation:
Inspectors' Class 2
standard Denominations not exceeding 10 metres
+- 0.5mm
+- 1.5mm
+- 1.5mm
+- 5.0mm Denominations exceeding 10 metres
+- 0.005%
+- 0.015%
+- 0.015%
+- 0.05%
PART 2-RIGID STANDARDS Denominations not exceeding 500 millimetres
+- 0.05mm
+- 0.15mm Denominations exceeding 500 millimetres but not exceeding one
metre +- 0.05mm
+- 0.2mm Denominations exceeding 1 metre but not exceeding 2 metres
+- 0.07mm
+- 0.2mm
SCHEDULE 32A Regulation 82
PERMISSIBLE UNCERTAINTY AND PERMISSIBLE VARIATION-AREA
(INSPECTORS' CLASS 1 STANDARDS)
Column 1 Column 2 Column 3
Denomination Permissible Permissible
(in square uncertainty variation (in
decimetres) (in square square decimetres)
decimetres) Denominations not
exceeding 35 0.06 0.18
40 0.07 0.20
50 0.08 0.25
60 0.10 0.30
70 0.12 0.35
80 0.13 0.40
90 0.15 0.45
100 0.17 0.50
150 0.25 0.75
SCHEDULE 32B Regulations 80 and 82
Column 1 Denomination
Column 2
Permissible uncertainty: Inspectors'
Class 1 standard (in milligrams)
Column 3
Permissible variation: Inspectors'
Class 1 standard (in milligrams)
Column 4
Permissible uncertainty:
Inspectors' Class 2 standard
(in milligrams)
Column 5
Permissible variation:
Inspectors' Class 2 standard
(in milligrams)
Column 6
Permissible uncertainty:
Inspectors' Class 3
standard (in milligrams)
Column 7
Permissible
variation:
Inspectors' Class
3 standard (in
milligrams)
1 000 kilograms 23 300 70 000
500 kilograms 11 600 35 000
200 kilograms 4 600 14 000
100 kilograms 2 300 7 000
50 kilograms
200 200 200 400 1 150 3 500
25 kilograms
100 100 100 200 580 1 750
20 kilograms
80 80 80 160 500 1 550
10 kilograms
40 40 40 80 360 1 100
5 kilograms
20 28 20 55 260 780
2 kilograms
13 18 13 35 165 500
1 kilogram
9 13 9 25 115 350
500 grams
6.5 9 6.5 18 80 250
200 grams
4.2 6 4.2 11 50 160
100 grams
3.0 4 3.0 8 35 110
50 grams
2.1 3 2.1 5
20 grams
1.3 2 1.3 3.5
10 grams
0.9 1.5 0.9 2.5
5 grams
0.65 1.0 0.65 2.0
2 grams
0.42 0.6 0.42 1.0
1 gram 0.30 0.4 0.30 0.8
500 milligrams
0.21 0.3 0.21 0.6
200 milligrams
0.13 0.2 0.13 0.35
100 milligrams
0.09 0.15 0.09 0.25
50 milligrams
0.06 0.10 0.06 0.20
20 milligrams
0.04 0.06 0.04 0.10
10 milligrams
0.03 0.04 0.03 0.08
5 milligrams
0.02 0.03 0.02 0.06
2 milligrams
0.01 0.02 0.01 0.035
1 milligram
0.01 0.02 0.01 0.025
SCHEDULE 32C Regulation 82
PERMISSIBLE UNCERTAINTY AND PERMISSIBLE VARIATION-
VOLUME (INSPECTORS' CLASS 1 STANDARDS)
Column 1 Column 2 Column 3
Denomination Permissible Permissible
uncertainty variation
(in millilitres) (in millilitres)
10 000 litres 2 000 6 000
5 000 litres 1 000 3 000
2 000 litres 400 1 200
1 000 litres 200 600
500 litres 100 300
200 litres 40 120
100 litres 20 60
50 litres 9 27
20 litres 5 15
15 litres 4 12
10 litres 3 9
5 litres 2 6
2 litres 1 3
1 litre 0.6 2
500 millilitres 0.4 1.2
250 millilitres 0.26 0.8
200 millilitres 0.22 0.7
100 millilitres 0.14 0.4
50 millilitres 0.09 0.27
25 millilitres 0.06 0.17
20 millilitres 0.05 0.15
10 millilitres 0.03 0.09
5 millilitres 0.02 0.06
2 millilitres 0.01 0.03
1 millilitre 0.006 0.02
0.5 millilitre 0.003 0.01
0.2 millilitre 0.003 0.01
0.1 millilitre 0.003 0.01
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