Skip to content

Brexit Information

View NSAI's updates and resources in relation to Brexit

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%

 

Find an Authorised Verifier

Click here to find an Authorised Verifier