Agilent Technologies DC140 Bedienungsanleitung PDF herunterladen (Seite 9)

Digital multimeter specifications (continued)

Supplemental characteristics

DC voltage

Measurement method Sigma Delta A-to-D converter

Maximum input voltage 1000 V

on all ranges

Input impedance 10 MΩ ± 2% range (typical) in parallel with capacitance < 120 pF

Input protection 1000 V

rms

on all ranges

Response time

Approximately 0.15 s when the displayed reading reaches 99.9% DC value of the tested

input signal at the same range

DC current

Measurement method Sigma Delta A-to-D converter

Maximum input current 10 mA to 3.0 A DC

Burden voltage and shunt resistance

• < 0.2 V, 10 Ω for 10 mA range

• < 0.2 V, 1 Ω for 100 mA range

• < 0.3 V, 0.05 Ω for 1 A range

• < 0.7 V, 0.05 Ω for 3 A range

Input protection Protected with 3.15 A/500 V, FF fuse

Response time

Approximately 0.15 s when the displayed reading reaches 99.9% DC value of the tested

input signal at the same range

1. Any current measurement greater than 500 mA will have a temporary thermo-effect. If you wish to measure a smaller current or offset current

measurement immediately after a high current measurement, ensure that the U3606B is cooled down.

AC voltage

Measurement method AC coupled true rms

Maximum input voltage 750 V

rms

/1200 V

peak

/3 x 10

V-Hz of product

Input impedance 1 MΩ ± 2% range (typical) in parallel with capacitance < 120 pF

Input protection 750 V

rms

on all ranges

Crest factor

For < 5:1 errors included. Limited by the peak input and 100 kHz bandwidth. Maximum 3.0 at

full scale.

Peak input 300% of range. Limited by maximum input.

Response time

Approximately 2.5 s when the displayed reading reaches 99.9% AC rms value of the tested

input signal at the same range.

Overload ranging

Will select higher range if peak input overload is detected during auto range. Overload is

reported in manual ranging.

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