Keithley 2110-100 - AC Current Accuracy Verification; Frequency Accuracy Verification

Section
3: Performance verification Model 2110 5½ Digit Multimeter
Calibration Manual
3-4 2110-905-01 Rev. A / July 2012
AC current accuracy verification
AC CURRENT ACCURACY VERIFICATION
Range Test Point Accuracy Limits
Upper Limit Lower Limit
1A
0.90000 A @ 60 Hz
0.90220 A
0.89780 A
0.04166667
0.90000 A @ 5 kHz
0.90220 A
0.89780 A
0.125
2.70000 A @ 60 Hz
2.7099 A
2.6901 A
0.125
2.70000 A @ 5 kHz
2.7099 A
2.6901 A
0.41666667
9.0000 A @ 60 Hz
9.0570 A
8.9430 A
0.41666667
9.0000 A @ 5 kHz
9.0570 A
8.9430 A
Specifications valid for 2-hour warm-up at 5-1/2 digits:
a. Slow ac filter (3 Hz bandwidth).
b. Pure sine wave input greater than 5% or range.
Frequency accuracy verification
FREQUENCY ACCURACY VERIFICATION
Range Test Point Accuracy Limits
Upper Limit Lower Limit
10-40 Hz
20.0000 Hz @ 1 Vpp
20.006 Hz
19.994 Hz
40-300 kHz
200.000 kHz @ 1 Vpp
200.04 kHz
199.96 kHz
Specifications valid for 2-hour warm-up at 5-1/2 digits:
a. Slow ac filter (3 Hz bandwidth).
b. Pure sine wave input greater than 5% of range.