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ABM-4082
3.3.1
Connections
Assuming Model DMM is under factory default conditions, the basic procedure is as follows:
1. Connect test leads to INPUT LO and SENSE LO terminals
2. Select DCI or ACI measurement function by pressing Shift → DCV or Shift → ACV
3. Press Auto toggles auto ranging. Notice the AUTO annunciator is displayed with auto ranging. If you
want manual ranging, use the RANGE
with expected current.
4. Connect test leads to the source as shown in Figure 3-2:
CAUTION: Do not apply more than 2A between INPUT LO and SENSE LO terminals, or the
protective fuse on the front panel will open-circuit.
5. If the "OVR.FLW" message is displayed, press up
displayed (or press Auto key for auto ranging). Use the lowest possible range for the best resolution.
6. Take readings from the display.
22
and
CAUTION: Maximum input = 1A DC or RMS
CAUTION:
Maximum Input = 12A DC or RMS
Figure 3-2
DC and AC Current Measurements
keys to select a measurement range consistent
key to select a higher range until a normal reading is
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