3.1 Measurement Specifications
Current measurement specifications
Guaranteed ac-
curacy conditions
Sine wave input
Measurement
method
Digital sampling method (true RMS measurement)
Crest factor 5.0 or less (for the 60 A range, 1.7 or less)
Conductor
position effects
Within ±0.5% rdg. (using the center of the sensor as the reference,
in all positions)
Magnetic field
interference
10 mA or less in an external magnetic field of 400 A/m at 50/60 Hz
AC
Maximum allow-
able input
100 A AC continuous, 200 A AC for 2 minutes (50/60 Hz)
For frequency derating characteristics during continuous input, see
the following diagram:
Effective
measuring range
0.05 mA to 60.0 A
Zero-suppression
Less than 0.05 mA
Overrange Greater than 60.0 A
Measurement
response time
Approx. 1 sec.
regardless of whether the filter is set to OFF or ON.
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