Technical data

6 Specifications and Characteristics
92 U3401A User’s and Service Guide
AC current (True RMS, AC Coupling Mode)
• Measurement method
• DC coupled to the fuse and current shunt, AC coupled true RMS measurement (measures the
AC component only)
• Crest factor
• Maximum 3:0 at full scale
• Shunt resistance
• 0.01 Ω to 100 Ω for 500 μA to 10 A ranges
• Input protection
• Front panel fuse 630 mA, 500 V, Internal 25 A, 440 V
• Response time
• Approximate 1.5 second when the displayed reading reaches 99.9% AC RMS value of the
tested input signal at the same range.
AC current (True RMS, AC Coupling Mode)
• Measurement method
• AC+DC coupled to the fuse and current shunt, AC+DC coupled true RMS measurement
(measures the AC component only)
• Crest factor
• Maximum 3:0 at full scale
• Measurement range
• VDC and VAC are automatically set at the same range
• Response time
• Approximate 1.5 second when the displayed reading reaches 99.9% AC value of the tested
input signal at the same range.
Table 6 - 9 Measurement specifications (continued)