8508A
Users Manual
DC Current - Movement between Menus
DCI
adj100f.eps
DCI Movement Between Menu
Measuring DC Current
Insert the Multimeter in the current path via its
INPUT A and INPUT Lo terminals, so that
conventional current flows from the source Hi into the Multimeter's
A terminal and back
to
the source Lo out of the Lo terminal.
Similar connection considerations are required for DC current measurement as for DC
voltage measurement. Use shielded twisted-pair cable to reduce induced interference
signals, and connect
Guard to the source of common mode voltage, to provide a separate
common mode current path.
Warning
HIGH CURRENT FLOW
To avoid fire hazard make sure that conductors of adequate guage are
used when making current measurement. High Current can cause
excessive heating of underrated conductors and may cause a fire.
Note
The Current path between DMM terminals is not made when the Current
functions are not in use or when Front or Rear terminals are deselected.
Note
Maximum Input Current capability and protection. The front input terminals
may be used to measure currents up to 20 A. The front input A terminal
protection is automatic and self-resetting, and does not interrupt current
flow. Damage is likely to occur if more than 20 A is applied.
The Rear input terminals may be used to measure currents up to 2 A only.
The rear input A terminal is protected by a fuse mounted on the rear panel.
3-22
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