Keysight U3401A User’s and Service Guide 13
List of Figures
Figure 1-1 Stacking the U3401A . . . . . . . . . . . . . . . . . . . . . . . . . .21
Figure 1-2 Type of handle position . . . . . . . . . . . . . . . . . . . . . . . .22
Figure 1-3 Attaching and detaching the handle . . . . . . . . . . . . . .22
Figure 1-4 U3401A dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Figure 1-5 Front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Figure 1-6 VFD full display with all segments illuminated . . . . . .25
Figure 1-7 Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Figure 1-8 Input terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Figure 1-9 Rear panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Figure 1-10 ACV terminal connection and display . . . . . . . . . . . . .35
Figure 1-11 DCV terminal connection and display . . . . . . . . . . . . .36
Figure 1-12 ACI RMS or DCI (mA) terminal connection and
display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Figure 1-13 ACI RMS or DCI (10A) terminal connection and
display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Figure 1-14 Frequency terminal connection and display . . . . . . . .39
Figure 1-15 Resistance /continuity terminal connection and
display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Figure 1-16 Forward-biased diode/continuity test terminal
connection and display . . . . . . . . . . . . . . . . . . . . . .42
Figure 1-17 Reverse-biased diode/continuity terminal
connection and display . . . . . . . . . . . . . . . . . . . . . .42
Figure 2-1 Typical dBm operation display . . . . . . . . . . . . . . . . . . .47
Figure 2-2 Typical Rel operation display . . . . . . . . . . . . . . . . . . . .48
Figure 2-3 Typical Max operation display . . . . . . . . . . . . . . . . . . .49
Figure 2-4 Typical Min operation display . . . . . . . . . . . . . . . . . . .49
Figure 2-5 Typical Comp operation display . . . . . . . . . . . . . . . . . .51
Figure 2-6 Typical Hold operation display . . . . . . . . . . . . . . . . . . .53
Figure 2-7 Typical refresh hold operation display . . . . . . . . . . . . .54
Figure 2-8 Typical percentage (%) operation display . . . . . . . . . .55
Figure 2-9 Secondary display . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Figure 2-10 Typical trigger mode display . . . . . . . . . . . . . . . . . . . .61
Figure 3-1 Connection terminal when measuring DC voltage
and AC ripple . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65