Agilent Technologies 34450A Podręcznik Użytkownika Strona 132

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110 34450A User’s Guide
4 Specifications
AC Voltage
Measurement Method:
AC coupled true-RMS - measures the AC component with up to 400 VDC bias any range
Crest Factor:
Maximum 3:1 at full scale
Input Impedance:
1 MΩ ± 2% in parallel with < 100 pF of all ranges
Input Protection:
750 V rms on all ranges (HI terminal)
AC Current
Measurement Method:
DC coupled to the fuse and current shunt, AC coupled true rms measurement (measures the AC component only)
Shunt Resistance:
1 Ω for 10 mA, 100 mA
0.01 Ω for 1 A, 10 A
Input Protection:
Externally accessible at rear panel 0.4 A, 500 V fuse for I terminal
Internal 11 A, 1000 V fuse for 10 A terminal
Frequency
Measurement Method:
Reciprocal counting technique. AC coupled input using AC voltage function
Signal Level:
10% of range to full scale input on all ranges except where noted
Auto or manual range selection
Gate Time:
0.1 second or 1 period of the input signal
Tab le 4-7 Supplemental measurement specifications (continued)
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