U3402A Datasheet, PDF (15/21 Pages) Keysight Technologies – U3400 Series 4½ and 5½ Digit Digital Multimeters

15 | Keysight | U3400 Series 4½ and 5½ Digit Digital Multimeters - Data Sheet
Supplemental measurement specifications (continued)
Measurement
AC+DC voltage
AC current
AC+DC current
Resistance
Measurement method
Crest factor
Input impedance
Maximum input voltage
Overload ranging
Input protection
Response time
Measurement method
Crest factor
Shunt resistance
Input protection
Response time
Measurement method
Crest factor
Measurement range
Response time
Measurement method
Open-circuit voltage
Zeroing error
Specification
AC+DC coupled true RMS: measures the AC component with up to 400 VDC bias on any range
Maximum 3:0 at full scale
U3401A: 1 MΩ in parallel with <100 pF
U3402A: 1 MΩ ± 2% in parallel with <120 pF
U3401A: 1000 V RMS/1400 V PEAK
U3402A: 750 V RMS/1100 V PEAK
2 x 107 V-Hz product on any range, normal mode input
1 x 106 V-Hz product on any range, common mode input
Selects higher range if peak input overload is detected during auto range. Overload is reported in
manual ranging
U3401A: 1000 V RMS on all ranges
U3402A: 750 V RMS on all ranges
Approximately 1.5 seconds (2.5 seconds for U3402A) when the displayed reading reaches 99.9% AC
RMS value of the tested input signal at the same range
DC coupled to the fuse and current shunt, AC coupled true rms measurement (measures the AC
component only)
Maximum 3:0 at full scale
U3401A
–– 0.01 Ω to 100 Ω for 500 µA to 10 A ranges
U3402A
–– 0.1 Ω to 10 Ω for 10 mA to 1.2 A ranges
–– 0.01 Ω for 12 A range
U3401A
Front panel fuse 630 mA, 500 V; internal 25 A, 440 V
U3402A
mA input terminal: 1200 mADC or AC RMS. Protected with 1.25 A/500 V, IEC-127 sheet, FH fuse
12 A input terminal: 10 ADC or AC RMS continuous; or 12 ADC or AC RMS for 30 seconds maximum.
Protected with 15 A/600 V, breaking capacity 10,000 A FH fuse
Approximately 1.5 seconds when the displayed reading reaches 99.9% AC RMS value of the tested
input signal at the same range
AC+DC coupled to the fuse and current shunt, AC+DC coupled true rms measurement
(measures the AC component only)
Maximum 3:0 at full scale
Vdc and Vac are automatically set at the same range
Approximately 1.5 seconds when the displayed reading reaches 99.9% AC RMS value of the tested
input signal at the same range
U3401A: 2-wire ohms
U3402A: 2-wire ohms or 4-wire ohms
U3401A: Limited to <+6 VDC
U3402A: Limited to <+5 VDC
0.05 Ω or less (excluding test lead resistance) in each range when Relative operation is used