Specifications and Characteristics 6
U1241B/U1242B User’s and Service Guide 63
Frequency Specifications
Table 6-24 Frequency specifications with accuracy of ± (% of reading + No. of Least Significant
Digit)
Frequency Sensitivity During Voltage Measurement
[2]
Frequency Sensitivity During Current Measurement
[3]
[1] The input signal is lower than the product of 20,000,000 V-Hz.
[2] For the accuracy of the maximum input, refer to AC voltage specifications.
[3] For the accuracy of the maximum input, refer to AC current specifications.
Function Range Resolution Accuracy Min. Input Frequency
Frequency
[1]
100.00 Hz 0.01 Hz
0.03% + 3 1 Hz
1000.0 Hz 0.1 Hz
10.000 kHz 0.001 kHz
100.00 kHz 0.01 kHz
1000.00 kHz 0.1 kHz
Input Range
Minimum Sensitivity (R.M.S. sine wave)
(Maximum input for specified accuracy
= 10 x Range or 1000 V)
20 Hz to 50 kHz
50 kHz to 200 kHz
1000.0 mV 0.3 V 0.6 V
10.000 V 0.5 V 1.8 V
100.00 V 5 V 10 V (<100 kHZ)
1000.0 V 50 V 100 V (<100 kHZ)
Input Range
Minimum Sensitivity (R.M.S. Sine wave)
20 Hz – 20 kHz
1000.0 μA100 μA
10000 μA500 μA
100.00 mA 10 mA
440.0 mA 50 mA
10.000 A 1 A
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