Specifications
G4500 BLACKBOX PORTABLE OPERATIONAL MANUAL
August 2010
Elspec | Website
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For maximum logging resolution and efficiency it
is recommended keeping NOMINAL values as
close to the expected normal condition values and
NOT to maximum values!
Energy Intervals
The Energy Intervals section defines the interval of energy consumption in-
formation to be aggregated and stored. The same interval is applicable for
the Meter Reading Log (see below).
The aggregation for demand calculations can be further defined as a sliding
window by enabling a Sliding Window parameter. The sliding window’s
step is defined as 1 second.
Non-measured Current
The Non-measured Current section helps to configure calculated current
channels. The options are different for WYE and DELTA setups.
On WYE network type configurations:
The neutral current (In) could be optionally calculated from the sum of
three-phase currents, or alternatively, measured by the I4-current channel.