1 Getting Started
44 Keysight U3401A User’s and Service Guide
Table 1-4 Range scale value
Measurement function Range Auto ranging
DCV 500.000 mV, 5.000 V, 50.000 V, 500.000 V, 1000.00 V 
ACV , DCV + ACV 500.000 mV, 5.000 V, 50.000 V, 500.000 V, 750.000 V 
DCI , ACI , DCI + ACI 500.000 μA, 5.000 mA, 50.000 mA, 500.000 mA 
DCI, ACI , DCI + ACI 5.000 A, 10.000 A
 
[a]
Frequency 500.000 Hz, 5.000 kHz, 500.000 kHz, 500.000 kHz 
Resistance
500.000 Ω, 5.000 kΩ, 50.000 kΩ, 500.000 kΩ, 5.000 MΩ, 
50.000 MΩ
Diode test 2.3000 V Fixed range
Continuity
500.000, 5.000 k, 50.000 k, 500.000 k, 5.000 M, 50.000 MΩ 
(Continuity Mode)
Notes:
[a] You are required to select the range manually when a signal is applied to the A terminal.