1 Calibration Procedures
42 Keysight U1270 Series Service Guide
ACV
3 V
0.3000 V (70 Hz) 0.9 to 1.1 × Reference value
3.0000 V (70 Hz) 0.9 to 1.1 × Reference value
3.0000 V(3 kHz) 0.9 to 1.1 × Reference value
30 V
3.000 V (70 Hz) 0.9 to 1.1 × Reference value
30.000 V (70 Hz) 0.9 to 1.1 × Reference value
30.000 V(3 kHz) 0.9 to 1.1 × Reference value
300 V
30.00 V (70 Hz) 0.9 to 1.1 × Reference value
300.00 V (70 Hz) 0.9 to 1.1 × Reference value
300.00 V (3 kHz) 0.9 to 1.1 × Reference value
1000 V
30.0 V (70 Hz) 0.9 to 1.1 × Reference value
300.0 V (70 Hz) 0.9 to 1.1 × Reference value
300.0 V (3 kHz) 0.9 to 1.1 × Reference value
DCμA
OPEN OPEN OPEN terminals
300 μA 300.00 μA0.9 to 1.1× Reference value
3000 μA 3000.0 μA 0.9 to 1.1 × Reference value
ACμA
300 μA
030.00 μA (70 Hz) 0.9 to 1.1 × Reference value
300.00 μA (70 Hz) 0.9 to 1.1 × Reference value
3000 μA
300.0 μA (70 Hz) 0.9 to 1.1 × Reference value
3000.0 μA (70 Hz) 0.9 to 1.1 × Reference value
DCmA/DCA
OPEN OPEN OPEN terminals
30 mA 30.000 mA 0.9 to 1.1 × Reference value
300 mA 300.00 mA 0.9 to 1.1 × Reference value
3 A 3.0000 A 0.9 to 1.1 × Reference value
10 A 10.000 A 0.9 to 1.1 ×
Reference value
Table 1-3 Adjustment input values (continued)
Test function Step Reference value Valid reference input
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