A system that comprises the meter itself and all devices required to ensure correct measurement or intended to facilitate the measuring operations.

Legal Tolerances

Minimum Measured Quantity
(MMQ)
Maximum permissible error (Emin)
Verification Inservice Inspection
MMQ < 0.1 litre +4ml
-4ml
+8ml
-4ml
0.1 litre  ≤ MMQ < 0.2 litre +4%
-4%
+8%
-4%
0.2 litre  ≤ MMQ < 0.4 litre +8ml
-8ml
+16ml
-8ml
0.4 litre  ≤ MMQ < 1litre +2%
-2%
+4%
-2%
1 litre  ≤ MMQ < 2 litre +20ml
-20ml
+40ml
-20ml
2 litre  ≤ MMQ +1%
-1%
+2%
-1%

 

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