Continuity Testing Procedure - Keithley 2750 User Manual

Model 2750 Multimeter/Switch System User's Manual
Figure 3-13
Continuity connections
Model 2750
A. Front Panel Connections
Model 7700
Switching Module
B. Model 7700 Connections
Note: Source current flows from input high to input low.

Continuity testing procedure

NOTE
1.
2.
3.
4.
5.
NOTE
Input HI
Input LO
Make sure the INPUTS switch is in the correct position. To use front panel
inputs, it must be in the "F" (out) position. For switching modules, it must be in
the "R" (in) position.
Apply the resistance to be tested, and, if using a switching module, close the appro-
priate channel.
Press SHIFT and then CONT to display the present threshold LEVEL.
Δ ∇
Use , , , and
If the measurement is below the threshold level, the beeper will sound and the
ohms reading will be displayed. If the measurement is above the threshold level,
the message "OPEN" will be displayed.
To disable continuity testing, select a different function (i.e., press DCV).
The beeper can be disabled using the SYSTem:BEEPer:STATe OFF command.
However, the beeper will automatically enable the next time the continuity test-
ing function is selected.
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.
Resistance
Under Test
H
Resistance
CH 1-20
Under Test
L
to key in the desired level (1 to 1000Ω), and press ENTER.
Basic DMM Operation 3-41