Agilent Technologies 34450A Guide de l'utilisateur télécharger pdf (Page 35)

Getting Started Tutorial 1

34450A User’s Guide 13

Selecting current input terminals and measurement range

If AC or DC current is being measured in auto- ranging

mode, with a signal input at 100 mA, the meter will select

the range 100 µA to 100 mA automatically.

If a signal input is applied to the 10 A input terminal, the

meter will select the 1 A to 10 A range automatically.

Measuring AC (RMS) or DC voltage

AC Voltage:

• Measurement Range: 100.000 mV, 1.00000 V, 10.0000 V, 100.000 V, 750.00 V

• Speed: Slow-2 Hz, Medium-20 Hz, Fast-200 Hz

•Default Setting: Autoranging, Slow measurement speed

• Measurement Method: AC coupled true RMS - measures the AC component

with up to 400 VDC bias on any range

• Crest Factor: Maximum 3:1 at full scale

• Input Impedance: 1 MΩ ± 2% in parallel with <100 pF on all ranges

• Input Protection: 750 V rms on all ranges (HI terminal)

DC Voltage:

• Measurement Range: 100.000 mV, 1.00000 V, 10.0000 V, 100.000 V, 1000.00 V

• Speed: Slow, Medium, Fast

•Default Setting: Autoranging, Slow measurement speed

• Measurement Method: Sigma Delta A-to-D converter

• Input Impedance: >10 GΩ selected range (0.1 V and 1 V only) or ~10 MΩ all

ranges (typical)

• Input Protection: 1000 V on all ranges

(HI terminal)

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Agilent Technologies 34450A Guide de l'utilisateur Page 35