Keysight Technologies Keysight U1401B Schnellstart Handbuch Seite 14

For continuity test, the instrument will beep if the
resistance is less than the values indicated below:
Measurement range
500.00 Ω
5.0000 kΩ
50.000 kΩ
500.00 kΩ
5.0000 MΩ
50.000 MΩ
14
Resistance threshold
10 Ω
100 Ω
1 kΩ
10 kΩ
100 kΩ
1 MΩ
Keysight U1401B Quick Start Guide