B&K Precision 393 - Manual - Manual (Page 24)

24
Current
DC Current
Range Resolution Accuracy
600 μA 0.01 μA
+(0.5% rdg +10 dgt)
6000 μA 0.1 μA
60 mA 1 μA
400 mA 10 μA
+(1.0% rdg + 10 dgt)
20 A 1 mA
+(2.0% rdg + 10 dgt)
AC Current (True RMS)
Range Resolution
Accuracy (45 Hz - 1
kHz)
600 μA 0.01 μA
+(1.5% rdg + 20 dgt)
6000 μA 0.1 μA
60 mA 1 μA
400 mA 10 μA
20 A 1 mA
+(2.5% rdg + 20 dgt)
AC+DC Current (True RMS)
Range Resolution
Accuracy (45 Hz - 1
kHz)
600 μA 0.01 μA
+(2.0% rdg + 30 dgt)
6000 μA 0.1 μA
60 mA 1 μA
400 mA 10 μA
20 A 1 mA
+(3.0% rdg + 30 dgt)
Burden Voltage:
500 mV on 600 μA & 60 mA ranges
2 V on 6000 μA, 400 mA, 20 A ranges
Input protection:
0.5 A/1000 V fast blow ceramic fuse (6.3x32mm) on μA/mA
input.
20 A/600 V fast blow ceramic fuse (10x38mm) on 20 A input.
20 A Input: >10 A for 30 sec. max, then a 10 min. cooling period.
Crest factor: 3 at full scale and 6 at half scale
AC Coupled True RMS specified from 2% to 100% of range
Peak hold accuracy: +(3.5% rdg + 500 dgt) at 45 Hz to 500 Hz on
AC current ranges