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Table 1-2 Functional Test
Step Test function
9
Resistance
Turn the rotary
switch to the
Smart
[2] The accuracy of the 300 Ω to 3 kΩ range is specified after the Null function is used to subtract the test lead resistance
and thermal effect (by shorting the test leads). Apply a 0 Ω calibrator output and allow the multimeter to settle before
press the
button.
[3] The RH is specified for <60%.
10
Diode
Turn the rotary switch
to the
/
position.
Auto
11
Capacitance
switch to the
U1271A/U1272A Service Guide
Range
30 Ω
/
position.
300 Ω
3 kΩ
300 kΩ
30 MΩ
100 MΩ
300 MΩ
Turn the rotary
position.
1000 nF
100 μF
1000 μF
5520 output
30 Ω
[2]
300 Ω
[2]
[2]
3 kΩ
30 kΩ
30 kΩ
300 kΩ
3 MΩ
3 MΩ
[3]
30 MΩ
[3]
100 MΩ
[3]
120 MΩ
3 V
10 nF
10 nF
100 nF
100 nF
1000 nF
10 μF
10 μF
100 μF
1000 μF
10 mF
10 mF
Calibration Procedures
Performance Verification Tests
Error from nominal 1 year
U1271A
N/A
±0.65 Ω
±0.0065 kΩ
±0.065 kΩ
±1.55 kΩ
±0.0185 MΩ
±0.365 MΩ
±2.10 MΩ
N/A
3 V
0.0155 V
±0.105 nF
±1.02 nF
±10.2 nF
±0.102 μF
±1.02 μF
±10.2 μF
±0.102 mF
1
U1272A
±0.070 Ω
±0.65 Ω
±0.0065 kΩ
±0.065 kΩ
±0.65 kΩ
±0.0185 MΩ
±0.365 MΩ
N/A
±9.70 MΩ
0.0155 V
±0.105 nF
±1.02 nF
±10.2 nF
±0.102 μF
±1.02 μF
±10.2 μF
±0.102 mF
15
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