SEFRAM 73 Manuel D'utilisation page 36

 AC Ampere
Range Resolution
200.0A 0.1A
Frequency Response : 45Hz to 65Hz
Overload Protection : AC/DC 200A
 Rotary Field Indication
For 3 phase 4 wire system only
Sensitivity : 90V to 1000V (Phase-to-ground)
Frequency Range : 45Hz to 65Hz
"L" LED is on when the signal of L2 probe lead the signal of
L1 probe; "R" LED is on when the signal of L1 probe lead
the signal L2 probe.
 Single-Pole Phase Check
Sensitivity : 90V to 1000V (Phase-to-ground)
Frequency Range : 45Hz to 65Hz
Indicator : 2.7kHz Tone Buzzer and ELV LED
Accuracy
±(3.0% + 5D)
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