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HM8930-7197 Norax 3 electricity meter is a direct-connected three phase meter, dedicated for
household users. The meter has been designed to measure active and reactive (not available in
the standard configuration) energy in four quadrant measurements (import and export
directions) on three-phase four-wire electrical networks. The three-phase meter can be used to
measure energy consumption (and production) of singe phase users as well.
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Summary of Contents for Apator NORAX 3
- Page 1 HM8930-7197 Norax 3 electricity meter is a direct-connected three phase meter, dedicated for household users. The meter has been designed to measure active and reactive (not available in the standard configuration) energy in four quadrant measurements (import and export directions) on three-phase four-wire electrical networks. The three-phase meter can be used to measure energy consumption (and production) of singe phase users as well.
- Page 2 Fiber glass reinforced polycarbonate housing. Marker triangles, for wM-Bus push signal, Terminal cover opening (CZO) and magnetic influence indicator (RPM), etc. Multifunction LCD display (all measurement data displayed on the display and an explanation thereof according to the tables below). Optical interface for reading measurement data, EN 62056-21 (IEC-1107 readout only/ DLMS-COSEM readout and parameterization).
- Page 3 "tAnPErSt": select "tAnPErSt" using the right/left buttons in the service menu, then press and hold the sealable button for at least three seconds until "SUCCESS" appears. Note: The tamper reset operation, deleting of influence signals may be carried out only if the meter is properly installed and no tamper is in progress.
- Page 4 Displayed measurement data in case of manual display sequence: 8.8.8.8 Display test 96.1.0. Serial number 1.8.0. Active imported energy, sum over all phases 2.8.0. Active exported energy, sum over all phases 15.8.0. Sum of absolute value of active energy per phase A = |AL1|+|AL2|+|AL3| 31.7.0.
- Page 5 The meter is equipped with an automatic terminal cover opening sensor. It is activated two minutes after the meter is correctly connected and switched to mains voltage and the terminal cover is properly installed. The removal of the terminal cover by activated protection is indicated by a marker triangle at the top of the display below the inscription "CZO".
- Page 6 If the meter is connected correctly, all the symbols L1, L2, L3 shown in the upper part of the display will be displayed. If a phase is missing, the symbol for that phase (L1, L2, or L3) is not displayed. The flashing of the letter(s) "L" in front of the numbers indicates the reverse current direction measured on the terminal blocks of the given phase of the meter and the flashing number(s) indicate an incorrect phase sequence.
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