Series 2600B System SourceMeter® instrument Reference Manual Section 10: Calibration
2600BS-901-01 Rev. F/August 2021 10-7
5. Verify output current accuracy for each of the currents for the 100 nA to 1 A ranges (for 2634B,
2635B, or 2636B, verify currents for the 1 µA to 1 A ranges) using the values listed in the
following table for your model number. For each test point:
â–ª Select the correct source range.
â–ª Set the 2600B output current to the correct value.
â–ª Verify that the multimeter reading is within the limits given in the table below.
2601B, 2602B, 2604B output current accuracy limits
Output current limits
(1 year, 18 °C to 28 °C)
100 nA
1 µA
10 µA
100 µA
1 mA
10 mA
100 mA
1 A
90.000 nA
0.90000 µA
9.0000 µA
90.000 µA
0.90000 mA
9.0000 mA
90.000 mA
0.90000 A
89.846 nA to 90.154 nA
0.89893 µA to 0.90107 µA
8.9923 µA to 9.0077 µA
89.913 µA to 90.087 µA
0.89943 mA to 0.90057 mA
8.9913 mA to 9.0087 mA
89.943 mA to 90.057 mA
0.89775 A to 0.90225 A
2611B, 2612B, 2614B output current accuracy limits
Output current limits
(1 year, 18 °C to 28 °C)
100 nA
1 µA
10 µA
100 µA
1 mA
10 mA
100 mA
1 A
90.000 nA
0.90000 µA
9.0000 µA
90.000 µA
0.90000 mA
9.0000 mA
90.000 mA
0.90000 A
89.846 nA to 90.154 nA
0.89893 µA to 0.90107µA
8.9923 µA to 9.0077µA
89.913 µA to 90.087 µA
0.89943 mA to 0.90057 mA
8.9913 mA to 9.0087 mA
89.943 mA to 90.057mA
0.89775 A to 0.90225 A
2634B, 2635B, 2636B output current accuracy limits
Output current limits
(1 year 18 °C to 28 °C)
0.90000 nA
9.0000 nA
90.000 nA
0.89665 nA to 0.90335 nA
8.9815 nA to 9.0185 nA
89.896 nA to 90.014 nA
1 µA
10 µA
100 µA
1 mA
10 mA
100 mA
1 A
0.90000 µA
9.0000 µA
90.000 µA
0.90000 mA
9.0000 mA
90.000 mA
0.90000 A
0.89903 µA to 0.90097 µA
8.9923 µA to 9.0077 µA
89.913 µA to 90.087 µA
0.89943 mA to 0.90057 mA
8.9913 mA to 9.0087 mA
89.943 mA to 90.057 mA
0.89775 A to 0.90225 A
6. Repeat the procedure for negative output currents with the same magnitudes as those listed.
7. Turn the output off, and change connections as shown in the figure titled "Connections for 1.5 A
and 3 A current ranges" in Current source accuracy (on page 10-6).
8. Select the DMM dc volts function.