Specifications and Characteristics 6
U1241B/U1242B User’s and Service Guide 63
Capacitance Specifications
Table 6 -1 1 Capacitance specifications with accuracy of ± (% of reading + No. of Least
Significant Digit)
[1] Use the null operation to zero out residual offset before measuring the signal (by opening the test
leads).
Harmonic Ratio Specifications
Table 6 -1 2 Harmonics ratio specifications
[1] Overload protection: 1000 V R.M.S. for circuits < 0.3 A short circuit current. The accuracy is
calculated based on the film capacitor. Use Relative mode for residual value.
[2] Pure sinusoidal waveforms without harmonics have a harmonics ratio of 0%, higher the harmonics
ratio, more harmonics are present in the sinusoidal waveform.
Function Range Resolution Accuracy
Capacitance
[1]
1000.0 nF 0.1 nF 1.2 % + 4
10.000 μF0.001 μF
100.00 μF0.01 μF
1000.0 μF0.1 μF2% + 4
10.000 mF 0.001 mF
Function
Range
[2]
Frequency Voltage
Harmonic ratio 0.0% – 99.9% 40 Hz – 500 Hz 100 mVAC – 1000 VAC
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