
3
Typical dual display combinations and applications
Primary display Secondary display Application Available in
DCV ACV
• Testing of DC-to-AC or AC-to-DC converter circuit
U3402A, U3401A
ACV + DCV DCV
• Power supply DC level and AC ripple measurement
U3402A, U3401A
DCV DCI
• Testing of power supply load regulation
U3402A
DCV ACI
• Loop current and voltage drop level checking
U3402A
ACI + DCI DCV
• Testing of line and load regulation
U3402A
ACV DCI
• Testing of AC-to-DC or DC-to-AC converter
U3402A
ACI + DCI ACV
• Power supply DC level and AC ripple measurement
U3402A
ACV ACI
• Transformer testing
U3402A
ACV Hz
• Amplifier circuit’s AC frequency response measurement
U3402A, U3401A
ACI Hz
• Adjustment of AC motor control
U3402A, U3401A
DCI ACI
• Power supply AC ripple and DC current measurement
U3402A, U3401A
ACI + DCI DCI
• Current dissipation measurement
U3402A, U3401A
dBm
Reference W
• RF frequency measurement
U3401A
dBm DCV U3402A, U3401A
dBm ACV U3402A, U3401A
dBm Hz
• Frequency response checking
U3402A
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