Kamstrup flowIQ 3100 Series, Technical Description, Page: 24 / 68

TECHNICAL DESCRIPTION flowIQ® 3100
24
Kamstrup A/S • Technical Description • 5512-1242_N 1_GB • 10.2019
11 Measurements
11.1 Measurement Accuracy
MPE according to OIML R49 MPE (maximum permissible error range) – see figure below.
Meter approved 0.1…30 °C

5 % in range Q
1

Q < Q
2
,

2 % in range Q
2

Q

Q
4
30…50 °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/nom. flow
Q
4
: Overload/max flow
(1.25 x Q
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
A
cc
u
rac
y %
Flow l/h
flowIQ® 3100 measuring accuracy R100