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Calibration and Verification
Determining Test Limits for Other Calibration Intervals
3
3-57
Table 3-21. Direct Current Accuracy Test Record (5700A)
Characterizing dc DMM @ ±200 mV and ±2.0V
Output
Current
Std
Res
Value
DC DMM
Setting
Rdg
Column A
Std Res
Correction
(ppm)
Column B
UUT Error
Reading
(ppm)
UUT Actual
Error (A+B)
(ppm)
Test Limit,
90-day
(ppm)
+2A 0.1Ω (200 mV) 135
-2A 0.1Ω (200 mV) 135
+200 mA 1.0Ω (200 mV) 73
-200 mA 1.0Ω (200 mV) 73
+20 mA 10Ω (200 mV) 55
-20 mA 10Ω (200 mV) 55
+2 mA 1 kΩ (2V) 55
-2 mA 1 kΩ (2V) 55
+200 µA 10 kΩ (2V) 100
-200 µA 10 kΩ (2V) 100
5725A Amplifier DC Current Test
Output
Current
DC DMM
Reading
Certified Shunt
Value
Cal Actual
Current
Test Limits, 90-
day
(±ppm)
+10A 388 ppm
-10A 388 ppm
+5A 436 ppm
+3A 500 ppm
-3A 500 ppm
Table 3-22. AC Voltage Frequency Accuracy Test Record
Frequency Tolerance Actual
10 Hz 99.99 ms - 100.01 ms
15 Hz 66.673 ms - 66.66 ms
100 Hz 9.999 ms - 10.001 ms
200 Hz 199.98 Hz - 200.02 Hz
500 Hz 499.95 Hz - 500.05 Hz
1 kHz 999.9 Hz - 1000.1 Hz
5 kHz 4999.5 Hz - 5000.5 Hz
10 kHz 9.999 kHz - 10.001 kHz
140 kHz 139.986 kHz - 140.014 kHz
200 kHz 199.98 kHz - 200.02 kHz
500 kHz 499.95 kHz - 500.05 kHz
1 MHz 0.9999 MHz - 1.0001 MHz