Operation; Battery Installation; Instrument Check - Chauvin Arnoux AEMC Instruments 505 Manuel Utilisateur

2.1 Battery Installation

Before changing batteries: set the switch to OFF, disconnect the
measuring leads, and remove the clamp from the circuit under
measurement.
1. Using a screwdriver, remove the battery compartment cover from the
back of the housing (see Figure 4).
2. Insert the two supplied 1.5V AA batteries, observing polarities.
3. Replace the battery compartment cover and screw it onto the housing.

2.2 Instrument Check

Start the meter by turning the rotary switch to any setting other than OFF.

Observe the LCD and ensure all segments are displayed (see Figure 2).
Turn the switch to the

OL.
Connect the two test leads to the instrument and touch the tips together. The

short-circuit buzzer should sound.
Turn the switch to a voltage setting (either

voltage (for example a battery). Ensure the displayed voltage reading is
correct.
If all previous steps function normally, the meter is ready for operation.
10

2 OPERATION

Figure 4
(continuity) setting. The LCD should display
or ) and check a known
Clamp-On Meter Model 505