Keysight U3606A, User'S And Service Manual

Page: 49 / 293

Digital Multimeter Operation 2
Making Measurements
U3606A User’s and Service Guide 27
Measuring AC voltage
1 Press again (until the AC annunciator is shown on the display) to
make AC voltage measurements.
2 Connect the red and black test leads to input terminals V (red) and
LO (black) respectively as shown in Figure 2- 1 .
3 Probe the test points and read the display.
Table 2-2 AC voltage measurement summary
Item Description
Available ranges 100.000 mV, 1.00000 V, 10.0000 V, 100.000 V, 750.00 V
Measurement method AC coupled true rms
Input impedance 1 M
Ω
± 2% range (typical) in parallel with capacitance < 120 pF
Input protection 750 V
rms
on all ranges
Crest factor
For < 5:1 errors included. Limited by the peak input and 100 kHz
bandwidth. Maximum 3.0 at full scale.
Peak input 300% of range. Limited by maximum input.
V
AC annunciator