7451A/7461A/7461P Digital Multimeter Operation Manual
4.2.1 Measurement Functions
4-14
7. Continuity measurement ( )
Press  and .
The resistance is measured in 2W. If the measured resistance is lower than the continuity threshold
constant, the buzzer sounds.
Figure 4-10    Continuity Measurement
Table 4-11    Continuity Measurement
7461A/61P 7451A
Measurement range 1000  3000 
Measurement current 1 mA 1 mA
Continuity threshold constant 1  to 1000 
Maximum allowable 
applied voltage
Between  and COM terminals 1000 Vpeak *1
Between COM terminal and chassis 500 V
*1: If an over-voltage is applied, the internal circuits may be separated from the input terminals 
by the protection function.