Mega MEg40+ - Page 5

5
Universal Energy Meter MEg40
+
Frequency range of phase lock loop: 47.4 Hz to 52.9 Hz
Input impedance in 230 V range: 1.8 MΩ
in 57.7 V range: 0.9 MΩ
Maximum input phase voltage
in 230 V range: 295 V
ef
in 57.7 V range: 150 V
ef
Maximum voltage on current inputs at I
nom
in 5 A range: 0.16 V
ef
in 1 A range: 0.8 V
ef
Overload capacity of current inputs: 1 min – 2 × I
nom
1 sec – 30 × I
nom
Allowable voltage between current inputs: 50 V
ef
Supply voltage U
AC supply
: 230 V +10 %, –30 %
Spotřeba při U
AC supply
= 230 V: 5,0 VA
Quantities measured in MEg40
+
:
Phase voltage Active energy at consumption
Delta voltages Active energy at delivery
Phase currents Reactive energy L at consumption
Active and reactive powers Reactive energy L at delivery
U and I events Reactive energy C at consumption
Maximum currents Reactive energy C at delivery
Quantities calculated in PC : Quantities displayed on MEg40
+
:
True power factors - PF Phase/delta voltages
Daily current diagrams Phase currents
Statistics of events Active powers
General data
Flash data memory: 4 MB
1)
Data memory organisation: linear or circular
Serial communication: USB2.0 / RS232 / RS485
2)
Speed of serial communication (USB 2.0, RS485 and RS232):
115,2 kBd (default), 256 kBd when the measurement is stopped (USB 2.0 only)
Internal time: 1,0 sec / 24 hr., T
network
± 1 sec at f
network
synchronization
Notes:
1)
16 MB when 16 MB memory card is used
2)
One type of communication as ordered.