Kamstrup flowIQ 3100 - Measurement Accuracy Standards

TECHNICAL DESCRIPTION flowIQ® 3100
10 Kastup A/S • Tehial Desiptio • 5512-1242_D_GB • 09.2016
3.5 Measurement Accuracy
MPE according to OIML R49 MPE (maximum permissible error range) – see figure below.
Meter approved 0.… °C  5 % in range Q
1
 Q < Q
2
,  2 % in range Q
2
 Q  Q
4
…50 °C  5 % in range Q
1
 Q < Q
2
,  3 % in range Q
2
 Q  Q
4
S: Start flow
Q
1
: Minimum flow
(Q
3
/Dynamic range)
Q
2
: Transition flow (1.6 x Q
1
)
Q
3
: Permanent/nom. flow
Q
4
: Overload/max. flow
(1.25xQ
3
)
OIML R49 requirements to water meters
MPE (maximum permissible error range – according to OIML R49)
Kamstrup water meter
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
10 100 1.000 10.000
Accuracy %
Flow l/h
flowIQ® 3100 measuring accuracy R100