ADCMT 7352A, Operation Manual

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7352 Series Digital Multimeter Operation Manual
7.1.5 AC Current Measurement (ACI, ACI(AC+DC))
7-9
Additional error depending on the crest factor (For a non sine-wave input current)

(% of r % of range)
Additional error to the ACI(AC+DC)-Ach measurement
Range
Measurement accuracy *1

(% of r digits)
20 Hz - 45 Hz 45 Hz - 1 kHz 1 kHz - 5 kHz
200

A 0.4+20 0.3+20 0.3+10
2000

A 0.5+20 0.35+10 0.35+20
20 mA 0.4+20 0.3+20 0.3+10
200 mA 0.4+20 0.3+20 0.3+10
2000 mA 0.5+20 0.35+10 0.7+20
*1: For sine-wave input When RATE is set to FAST or MED, the digit term is reduced
to 1/10 of its specification.
Range
Crest factor
1 - 2 2 - 3
200

A 0+0.05 0+0.15
2000

A 0+0.05 0+0.15
20 mA 0+0.05 0+0.15
200 mA 0+0.05 0.1+0.15
2000 mA 0+0.05 0.1+0.15
FAST MED

(% of reading)
20 - 45 Hz 1.24% 0.72%
45 Hz - 1 kHz 0.06% –
Maximum allowable
applied current
Input protection Fuse replacement
Between mA and
COM A terminals 2 A 2 A/250 V fast-blow fuse which is com-
pliant with IEC60127 sheet1
On the rear panel