MEg 30 - portable version
for LV networks
Page 1: ...MEg 30 portable version for LV networks...
Page 2: ...MEg 31 portable version for MV networks...
Page 3: ...r is also ready for monitoring the voltages be tween the neutral conductor and ground On its fourth current input the PQ moni tor enables to carry out the measurement and harmonics analysis of the cur...
Page 4: ...MV networks with heterogeneous instrument voltage transformers Each version of the PQ monitor is provided with an internal back up battery which enables the monitor to be operated during up to 5 minu...
Page 5: ...from the data of channel U1 Corrections of DC components corrections of strengthening the current sensors of voltage and current measuring channels and frequency characteristics including corrections...
Page 6: ...ecorded when the monitor operates in this function Average values of up to four voltages four currents and three active and reactive powers U1 I1 U2 I2 U3 I3 are being recorded according to setting Ba...
Page 7: ...nating and ending of an event with resolution to 10 ms the list of events in cludes the values of maximum deviations of voltages U1 to U3 from the nominal value Adetailed record of events includes the...
Page 8: ...face USBII is used for displaying the shapes of voltages U1 to U4 and currents I1 to I4 The recording with duration of 2 periods 40 ms can be started case by case or repeatedly 3 6 Communication funct...
Page 9: ...internal battery The lighting of this diode can be assigned to the indication of state of the relay output by program In a preset tolerance band 90 Unom to 106 Unom the LED diodes U1 U2 and U3 indicat...
Page 10: ...om to 1 2 Unom 0 2 of the measured value 0 2 Unom outside 0 8 Unom to 1 2 Unom Resolution 0 1 Unom or better Temperature coefficient better than 0 2 Unom 10 C 4 2 Measurement of currents Accuracy of m...
Page 11: ...er than 10 mHz in range 48 Hz to 52 Hz Resolution 1 mHz 4 4 Measurement of power factor Range of measurement 0 to 1 0 in all four quadrants Accuracy of measurement better than 0 5 at Unom and Inom 4 5...
Page 12: ...ensured by protective impedance with a combination of component parts 4 12 Supply Supply from any measuring input U1 U2 U3 Range of input power 5 VA Back up supply battery SANYO N 50AAA L 1 5 in aver...
Page 13: ...nd three LED diodes signalizing the magni tude of connected voltages being measured The case of MEg30 includes a two pole terminal board with a removable plug of the signal SYNC and a three pole termi...
Page 14: ...supply cables is 150 cm The direction of the current flowing through the current sensors AMOS PQ and MT PQ is indicated by an arrow with an integrated marking of the current being measured I1 I2 I3 an...
Page 15: ...s the measurement and the LED diode OPERATION PROVOZ will not be lighting any more A switched on notebook with the started program PQ monitor shall be con nected at the place of measurement to the mon...
Page 16: ...provided by the equipment 7 Demands on maintenance The MEg30 monitor has no requirements on forced ventilation it contains no mov able control elements and beside the usual cleaning of its surface it...
Page 17: ...ram on CD Optional parts of the set Set of flexible current sensor AMOS PQ 3 or 4 pcs Set of clamp transformers MT PQ 3 or 4 pcs Contact thermometer T PQ Set of safety alligator clips 3 pcs red 1 pc b...
Page 18: ...correctly or if the monitor or its accessories were operated out of keeping with technical conditions The defects on the monitor and its accessories originating during the guarantee period shall be cl...
Page 19: ...MEg 30 AMOS PQ AMOS M...
Page 20: ...M ic Energetick Apar ty s r o Letovick 1412 4 621 00 Brno tel fax 541 225 015 mega e mega cz www e mega cz MEg 33 for fixed mounting in LV networks MEg 33 s nasazen m plombovac m krytem a bez n j...
