TREND EM3_CT_N - Manual (Page 6)

Operation
PowerRail303 Page 4
2.4 Instantaneous kW Display
Press
144.00 kW
Instantaneous Power
2.4.1 REV CT
The instantaneous power display may show negative values indicating export power or incorrectly
wired inputs. REV CT will also be shown indicating that the most likely cause of the negative
reading is one or more current transformers fitted the wrong way round on the primary conductor.
2.5 kW Demand Display (Option)
Press
Demand
100.00 kW
kW Demand
KW demand is only available on meters factory fitted with this option. If the user sets a demand
period of N minutes (eg 30 minutes) the display will be updated every N seconds (eg every 30
seconds). The display shows the average of all kW readings taken over the most recent demand
period (eg average over 30 minutes). This average kW parameter is commo nly known as kW
Demand.
Press
Pk Demand
150.00 kW
Peak kW Demand
Peak KW demand is only available on meters factory fitted with the demand option. The display
shows the largest value of kW demand recorded since the user last reset it. The peak kW
Demand value is stored during power loss to the meter.
2.5.1 Resetting Peak kW Demand
To reset Peak kW Demand, press and , for approximately 2 seconds, while displaying
Peak kW Demand.