Kamstrup MULTICAL 21 - Measurement Accuracy Standards

MULTICAL® 21 & flowIQ® 2101 /..02 /..03 TECHNICAL DESCRIPTION
Kamstrup A/S •Technical Description • 5512-897_J1_GB • 06.2016 17
3.6 Measurement accuracy
MPE (maximum permissible error range – according to OIML R49)
Kamstrup water meter
3.6.1 MULTICAL® 21 /flowIQ® 2101 / 2102
Meter approved 0.1…30 °C  5 % in range Q
1
 Q < Q
2
,  2 % in range Q
2
 Q  Q
4
30…70 °C  5 % in range Q
1
 Q < Q
2
,  3 % in range Q
2
 Q  Q
4
S: Start stop flow
Q
1
: Minimum flow
(Q
3
/Dynamic range)
Q
2
: Transition flow (1.6 x Q
1
)
Q
3
: Permanent flow
Q
4
: Overload flow
(1.25xQ
3
)