Tektronix DCM300, Technical Reference

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THM420 Specifications
Handheld and Benchtop Instruments Basic Service
3
Table 2: Measurement Characteristics
Characteristic Description
Volts
DC Ranges 400 mV, 4 V, 40 V, 400 V, 850 V
AC Ranges 400 mV, 4 V, 40 V, 400 V, 600 V
DC Accuracy
±
(0.3% of r 2 counts)
AC Accuracy
40 to 50 Hz
±
(1.5% of r 5 counts)
50 to 60 Hz
±
(1.0% of r 5 counts)
60 Hz to 1 kHz
±
(1.5% of r 5 counts)
Input Impedance Maximum: 1 M
W
paralleled by 100 pF
Current
DC Ranges 400 mA, 8 A
AC Ranges 400 mA, 8 A
DC Accuracy
400 mA Range
±
(0.6% of r 3 counts)
8 A Range
±
(0.8% of r 4 counts)
AC Accuracy (40 to 1 kHz)
400 mA Range
±
(1.8% of r 5 counts)
8 A Range
±
(1.8% of r 5 counts)
Overload protection
mA Connector 500 mA (350 V) fast blow fuse
A Connector 15 A (600 V) fast blow fuse
Resistance
Ranges 400
W,
4 k
W,
40 k
W,
400 k
W,
4 M
W,
40 M
W
Accuracy (By range)
400
W
±
(0.4% of r 4 counts)
4 k
W,
40 k
W,
400 k
W
±
(0.4% of r 2 counts)
4 M
W
±
(0.6% of r 3 counts)
40 M
W ±
(1.5% of r 5 counts)
Frequency
Ranges 100 Hz, 1 kHz, 10 kHz, 100 kHz, 1 MHz