Agilent Technologies U3401A User's And Service Manual page 114

6 Specifications and Characteristics
Table 6-14 Supplemental measurement specifications
Measurement
96
Diode /
Measurement method
Continuity
Test current
Open-circuit voltage
Continuity threshold
Continuity level
Audible tone
Input protection
Frequency
Measurement method
Crest factor
Signal level
Gate time
Input impedance
Maximum input voltage
Input protection
Response time
Common mode reject
Measurement
ratio (CMRR) for 1 kΩ
Noise Rejection
unbalanced LO lead
Normal mode rejection
ratio (NMRR)
Response time
Specification
0.83 mA±0.2% constant current source,
open-circuit
voltage limited to < 5 V
Approximately 0.5 mADC
Limited to < +6.0 VDC
10 Ω fixed
Approximately below +50 m VDC
Continuous beep for continuity and single tone
for normal forward-biased diode or
semiconductor junction.
500 V DC or AC RMS
Reciprocal counting technique. AC coupled input
using AC voltage function
Maximum 3:0 at full scale
10% of range to full scale input on all ranges
0.1 s or 1 period of the input signal, whichever is
longer.
1 MΩ in parallel with <100 pF of all ranges
1000 V RMS / 1400 V PEAK
7
2x10 V-Hz product on any range, common mode
input
6
1x10 V-Hz product on any range, normal mode
input
1000 V RMS on all ranges
Approximately 1 second when the displayed
reading reaches 99.9% of frequency value.
50/60 Hz ± 0.1% : DC >90 dB
50/60 Hz ± 0.1% : >50 dB
Approximately 1 second when the displayed
reading reaches 99.9% of frequenct value.
U3401A User's and Service Guide