Keithley DMM7510

Section
2: Performance verification Model DMM7510 7½ Digit Graphical Sampling Multimeter
Calibration Manual
2-44 DMM7510-905-01 Rev. A / April 2015
2. Set the calibrator for 2-wire resistance with external sense off.
3. On the Model DMM7510, press the FUNCTION key and select 2W Res.
4. Press the HOME key.
5. Set the range to 100 MΩ.
6. Source the nominal full-scale resistance values for the 100 MΩ range as shown in the following
table.
Range Nominal calibrator
values (Ω)
Actual calibrator
(Ω)
Lower limit (Ω) Upper limit (Ω)
1.0E+08 0.00E+00 -3.00E+03 3.00E+03
1.00E+08
1.0000380E+08
9.980079E+07
1.002068E+08
Verify resistance 909 MΩ on the 1 GΩ range
1. Connect the Model DMM7510 INPUT to the discrete shielded 909 MΩ reference resistor.
Figure 6: 1 GΩ verification connections
2. On the Model DMM7510, press the FUNCTION key and select 2W Res.
3. Press the HOME key.
4. Set the range to 1GΩ.
5. Verify the 1 GΩ range as shown in the following table.
Range Nominal calibrator
value
(Ω)
Typical reference
DMM reading
(Ω)
Lower limit
(Ω)
Upper limit
(Ω)
1.0E+09 9.09E+08 9.081948E+08 8.999210E+08 9.164686E+08