Measuring Times For Meter Testing - Landis+Gyr E450 User Manual

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6.3

Measuring Times for Meter Testing

Active energy
Reactive energy
© Landis+Gyr
Remote Communication Error
Purpose: Indicates an error in setting up a remote data push. This can be
initiated by any failure in the communication set-up.
Category: Communication errors
Reset: The error is cleared automatically if the communication is suc-
cessful again.
For technical reasons, short measuring times result in higher measuring
deviations. Therefore, it is recommended to use long measuring times to
obtain the desired accuracy.
The following tables show the minimal test times needed to achieve the
stated uncertainty. The values do not include any uncertainty due to tem-
perature variation.
Test conditions: nominal voltage 230V.
Current
[% I ]
ref
I
max
I
max
100
100
10
10
5
Current
[% I ]
ref
I
max
I
max
100
100
10
10
5
Phase Uncertainty
[ °] [%]
0 ± 0.1
60 ± 0.1
0 ± 0.1
60 ± 0.1
0 ± 0.1
60 ± 0.2
0 ± 0.1
Phase Uncertainty
[ °] [%]
90 ± 0.2
30 ± 0.2
90 ± 0.2
30 ± 0.2
90 ± 0.2
30 ± 0.3
90 ± 0.3
D000029326 en g – E450 PLC 1-phase ZCX100Px – User Manual
Maintenance
Minimum Test Time
[s]
5
5
5
10
80
80
80
Minimum Test Time
[s]
5
5
5
5
20
40
40