Keysight U1271A, Service Manual

Page: 31 / 63

Calibration Procedures 1
Keysight U1270 Series Service Guide 31
AC+DCV
Turn the rotary switch
to the position, and press the
key twice.
1000 V 1000 V, 45 Hz - ±9.5 V
1000 V, 65 Hz - ±9.5 V
1000 V, 1 kHz - ±14.0 V
1000 V, 5 kHz - ±19.0 V
8
DCmV [b]
Turn the rotary switch
to the / position.
30 mV 30 mV - ±0.035 mV
–30 mV - ±0.035 mV
300 mV 300 mV ±0.20 mV ±0.20 mV
–300 mV ±0.20 mV ±0.20 mV
[b] The accuracy is specified after the Null function is used to subtract the thermal effect (by shorting the test leads) before measuring the signal.
9
AC+DCmV
Turn the rotary
switch to the position, and press
the
key twice.
30 mV 30 mV, 20 Hz - ±0.285 mV
30 mV, 45 Hz - ±0.250 mV
30 mV, 65 Hz - ±0.250 mV
30 mV, 1 kHz - ±0.285 mV
30 mV, 5 kHz - ±0.375 mV
30 mV, 20 kHz - ±0.390 mV
30 mV, 100 kHz - ±1.140 mV
AC+DCmV
Turn the rotary
switch to the position, and press
the
key twice.
300 mV 300 mV, 20 Hz - ±2.70 mV
300 mV, 45 Hz - ±2.35 mV
300 mV, 65 Hz - ±2.35 mV
300 mV, 1 kHz - ±2.70 mV
300 mV, 5 kHz - ±3.60 mV
300 mV, 20 kHz - ±3.75 mV
300 mV, 100 kHz - ±11.25 mV
Table 1-2 Performance verification tests (continued)
Step Test function Range 5520 output Error from nominal 1 year
U1271A U1272A/
U1273A/U1273AX
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