3-40 Basic DMM Operation Model 2750 Multimeter/Switch System User’s Manual
Continuity testing
The Model 2750 can test continuity using the 2-wire 1kΩ range. After selecting continuity,
you will be prompted to enter the threshold resistance level (1 to 1000Ω). When the mea-
sured circuit is below the set threshold level, the instrument will beep and display the
resistance readings. When the measured circuit is above the threshold level, the message
“OPEN” will be displayed.
NOTE The reading rate for continuity is fixed at FAST (0.1 PLC).
Limits and digital outputs cannot be used when testing continuity with the conti-
nuity (CONT) function. If you need to use these operations, use the Ω2 function
to test continuity.
Connections
NOTE When using the front panel inputs, the INPUTS switch must be in the “F” (out)
position. For switching modules, it must be in the “R” (in) position.
Front panel input
When using the front panel input terminals, connect the test leads to the INPUT HI and
LO terminals as shown in Figure 3-13A.
Model 7700 switching module
Connections for the Model 7700 switching module are shown in Figure 3-13B. Since this
is a 2-wire ohms measurement, channels 1 through 20 can be used.
2750-900-01.book Page 40 Wednesday, August 3, 2011 7:56 AM
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