Kamstrup flowIQ 3100 - Technical Data - Water Meter Types

flowIQ
®
3100 TECHNICAL DESCRIPTION
9
Kamstrup A/S • Technical Description • 5512-1242_B1_GB • 05.2015
2.5 Accuracy
MPE according to OIML R49 MPE (maximum permissible error range) – see figure below.
Meter approved 0.1…30°C ± 5 % in range Q1 ≤ Q < Q2, ± 2 % in range Q2 ≤ Q ≤ Q4
30…50°C ± 5 % in range Q1 ≤ Q < Q2, ± 3 % in range Q2 ≤ Q ≤ Q4
Q1: Minimum flow
(Q3/Dynamic range)
Q2: Transition flow (1.6 x Q1)
Q3: Permanent flow
Q4: Overload flow
(1.25xQ3)
OIML R49 requirements to water meters
2.6 Temperature measurement
flowIQ® 3100 measures ambient and water
*)
temperature - also see section 8.5.1
The following accuracies apply to temperature data:
Water temperature: 0 - 20 ° C ± 1 ° C
20 - 30 ° C ± 2.5 ° C
> 30 ° C – No valid measurement
Ambient temperature: -5 - 55 ° C ± 1 ° C
*)
Applies only the small sensor sizes - 1.6 and 2.5m
3
/h