Connections for
3A range current
verification tests
1-12 Performance Verification
4. Verify output current accuracy for the 3A range. Be sure to:
• Select the 3A source range.
• Set the Model 2430 output current to the correct 3A output value.
• Verify that the multimeter reading is within the 3A range limits given in Table 1-5.
(Since the value of the 1Ω resistor value is assumed to be the same as its nominal
value, the DMM voltage reading is the same as the sourced current.)
5. Repeat the procedure for a negative 3A current output value.
6. Repeat the entire procedure using the rear panel INPUT/OUTPUT jacks. Be sure to
select the rear panel jacks with the front panel TERMINALS key.
Table 1-5
Output current accuracy limits
Model 2430
source range
Model 2430
output current setting
Output current limits
(1 year, 18°C to 28°C)
10mA
100mA
1mA
10mA
100mA
1A
3A
1
10.0000mA
100.000mA
1.00000mA
10.0000mA
100.000mA
1.00000A
3.00000A
9.9947 to 10.0053mA
99.949 to 100.051mA
0.99946 to 1.00054mA
9.9935 to 10.0065mA
99.914 to 100.086mA
0.99843 to 1.00157A
2.99543 to 3.00457A
1. See separate procedure for 3A range. DMM voltage reading is same as sourced current.
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