DCM300 and DCM320 Specifications
2
Handheld and Benchtop Instruments Basic Service
Specifications
The characteristics listed in this section apply under the following conditions:
H The instrument operates in a 0_ to 45_ C ambient environment unless
otherwise noted.
H The instrument warms up for at least 20 minutes.
NOTE. All specifications are warranted unless marked “typical.” Typical
characteristics are not guaranteed but are provided for the convenience of the
user.
Table 1: Electrical Characteristics
Characteristic Description
AC Voltage, Auto Ranging (nominal Input Impedance: 10 M, <100 pF)
Ranges 600 V and 400 V
Voltage Rating 600 V
RMS
CAT II
Resolution
400 V Range 0.1 V
600 V Range 1 V
Accuracy 40 to 500 Hz: ±(1.2% of reading + 5 digits)
Crest Factor (DCM 320 only) 1.4 to 2.0, add 0.6% to accuracy
2.0 to 2.5, add 2.0% to accuracy
AC Current, Auto Ranging
Ranges 600 A and 400 A
Overload Protection 800 A
Uninsulated Wire Voltage Rating 600 V
RMS
CAT II
Resolution
400 A Range 0.1 A
600 A Range 1 A
Accuracy 50 to 60 Hz
400 A Range ±(1.9% of reading + 5 digits)
600 A Range ±(2.9% of reading + 5 digits)
Crest Factor (DCM 320 only) 1.4 to 2.0, add 1.0% to accuracy
2.0 to 2.5, add 2.5% to accuracy
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