User`s guide
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)