Tektronix KEITHLEY SourceMeter 2606B Reference Manual page 794

Model 2606B System SourceMeter® Instrument Reference Manual
6. Repeat the procedure for negative calibrator currents with the same magnitudes as those listed.
Current measurement accuracy limits
Source and measure range
100 nA
1 µA
10 µA
100 µA
1 mA
10 mA
100 mA
1 A
3 A
1
Measure range coupled to source range when simultaneously sourcing and measuring
current.
2
As measured by precision digital multimeter. Use closest possible value and modify reading
limits accordingly if necessary. See
7. Turn the output off and change connections as shown adding the 0.5 Ω 250 W resistor (see the
figure titled "Connections for 3 A current range" in
8. Select the DMM volts function.
Repeat steps 4 through 6 for the 3 A range. Calculate the current from the DMM voltage reading
and characterized 0.5 Ω resistance value.
9. Repeat the above procedure for the other channel.
Voltage source accuracy
To perform this test, you will set the output voltage to each full-range value and measure the voltages
with a precision digital multimeter.
To verify that the 2606B output voltage accuracy is within specified limits:
1. With the power off, connect the digital multimeter (DMM) to the 2606B output terminals using
4-wire connections, as shown below.
2606B-901-01 Rev. C November 2021
1 2
Source current
90.000 nA
0.9000 µA
9.0000 µA
90.000 µA
0.9000 mA
9.0000 mA
90.000 mA
0.90000 A
2.4000 A
Measurement limit calculations
Current source accuracy
Section 17: Calibration
Current reading limits
(1 year, 18 °C to 28 °C)
89.855 nA to 90.145 nA
0.89928 µA to 0.90073 µA
8.9963 µA to 9.0038 µA
89.957 µA to 90.043 µA
0.89962 mA to 0.90038 mA
8.9957 mA to 9.0043 mA
89.962 mA to 90.038 mA
0.89823 A to 0.90177 A
2.3953 A to 2.4047 A
(on page 17-4).
(on page 17-6)).
17-9