®
2007
1.3 Performance criteria:
Operating humidity = 75%
Storage humidity = 95%
Operating temperature -10°C - +50°C
Storage temperature -30°C - +70°C
International standard
IEC 62053-21
Accuracy class
1
Protection against penetration
of dust and water IP51
Insulating encased meter of
protective class ?
1.4 Specifications:
Meter type PRO-75A(register display)
PRO-75D(LCD display)
Nominal voltage (Un)
230V AC
Operational voltage
161 - 300V AC
Insulation capabilities:
- AC voltage withstand 2KV for 1 minute
- Impulse voltage withstand 6KV – 1.2µS waveform
Basic current (Ib)
10A
Maximum rated current (Imax) 100A
Operational current range
0.4% Ib- Imax
Over current withstand
30Imax for 0.01s
Operational frequency range
50Hz ±10%
Internal power consumption
=2W / 10VA
Test output flash rate (Red LED)
1600imp/kWh
Pulse output rate (pins 5 & 6) 1600imp/kWh
reverse indicator (Green LED) Current reverse
Consumption indicator (Red LED) Flashing at load running
1.5 Basic errors:
0.05Ib
Cosf = 1
±1.5%
0.1Ib
Cosf = 0.5L
±1.5%
Cosf = 0.8C
±1.5%
0.1Ib - Imax Cosf = 1
±1.0%
0.2Ib - Imax Cosf = 0.5L
±1.0%
Cosf = 0.8C
±1.0%
1.6 Description
A
Front panel
B
Cover
C
Base
D
Security hasp
