User manual
2-6 Return to Section Topics 2100-900-01 Rev. E / March 2012
Section 2: Getting Started Model 2100 6 1/2-Digit Resolution Digital Multimeter User’s Manual
Figure 2-8
Removing the red voltage selector fuse holder
Step 4: Change the voltage setting
Turn the voltage setting to the correct setting.
NOTE To accommodate differing local area power requirements, Keithley Instruments has three
available models of voltage setting selectors for the Model 2100 (each with two voltage
settings). The voltage setting selector included with your Model 2100 should have the
appropriate voltage settings for your area's line power requirements. If you do not have
the correct voltage setting selector, please contact your local Keithley Instruments
representative to request the correct model (see Table 2-1, below).
Step 5: Insert the voltage selector
Insert the voltage setting selector back into the socket and close the cap as shown in Figure 2-9.
Table 2-1
Available voltage setting selectors for local line power requirements
Model number Voltage select options Voltage set to:
2100/120 120/240 120
2100/230-240 120/240 240
2100/220 120/220 220