Clamp Meter
374 FC/375 FC/376 FC Electrical Specifications
5
Crest Factor (50 Hz/60 Hz) ..................................... 3.0 at 1100 A (375 FC and 376 FC only)
2.5 at 1400 A
1.42 at 2500 A
Add 2 % for C.F. >2
Position Sensitivity
ghn12.eps
Figure 2. Position Sensitivity
DC Current
Range
374 FC and 375 FC ............................................ 600.0 A
376 FC ................................................................ 999.9 A
Resolution ............................................................... 0.1 A
Accuracy .................................................................2 % ±5 digits
AC Voltage
Range ..................................................................... 1000 V
Resolution ........................................................... 0.1 V (
≤600.0 V)
1 V (
≤1000 V)
Accuracy .................................................................1.5 % ±5 digits (20 Hz to 500 Hz)
DC Voltage
Range ..................................................................... 1000 V
Resolution ...............................................................0.1 V (
≤600.0 V)
1 V (
≤1000 V)
Accuracy .................................................................1 % ±5 digits
mV dc (375 FC and 376 FC)
Range ..................................................................... 500.0 mV
Resolution ...............................................................0.1 mV
Accuracy .................................................................1 % ±5 digits
Distance from Optimum i2500-10 Flex i2500-18 Flex Error
A 0.5 in (12.7 mm) 1.4 in (35.6 mm) ±0.5 %
B 0.8 in (20.3 mm) 2.0 in (50.8 mm) ±1.0 %
C 1.4 in (35.6 mm) 2.5 in (63.5 mm) ±2.0 %
Measurement uncertainty assumes centralized primary conductor at optimum position, no external electrical or magnetic field, and
within operating temperature range.
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