Technical data

Calibration Procedures 1
Performance Verification Tests
U1270 Series Service Guide 31
6
DCV Turn the rotary
switch to the / position.
3 V 3 V ±0.0020 V ±0.0020 V
30 V 30 V ±0.017 V ±0.017 V
300 V 300 V ±0.17 V ±0.17 V
1000 V 1000 V ±0.7 V ±0.7 V
7
AC+DCV Turn the rotary
switch to the position, and
press the key twice.
3 V 3 V, 20 Hz - ±0.0360 V
3 V, 45 Hz - ±0.0235 V
3 V, 65 Hz - ±0.0235 V
3 V, 1 kHz - ±0.0360 V
3 V, 5 kHz - ±0.0510 V
3 V, 20 kHz - ±0.0675 V
2.7 V, 100 kHz - ±0.1017 V
30 V 30 V, 20 Hz - ±0.360 V
30 V, 45 Hz - ±0.235 V
30 V, 65 Hz - ±0.235 V
30 V, 1 kHz - ±0.360 V
30 V, 5 kHz - ±0.510 V
30 V, 20 kHz - ±0.675 V
27 V, 100 kHz - ±1.017 V
300 V 300 V, 45 Hz - ±2.35 V
300 V, 65 Hz - ±2.35 V
300 V, 1 kHz - ±3.60 V
300 V, 5 kHz - ±5.10 V
270 V, 20 kHz - ±6.12 V
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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