User`s guide

5 Characteristics and Specifications
Electrical Specifications
112 U1231A/U1232A/U1233A User’s Guide
Frequency specifications
Frequency sensitivity specifications
For voltage measurements
Table 5 - 5 Frequency specifications
Range Resolution
Accuracy
Minimum input
frequency
U1231A U1232A U1233A
99.99 Hz 0.01 Hz 0.1% + 2 0.1% + 2 0.1% + 2
5 Hz
999.9 Hz 0.1 Hz 0.1% + 2 0.1% + 2 0.1% + 2
9.999 kHz 0.001 kHz 0.1% + 2 0.1% + 2 0.1% + 2
99.99 kHz 0.01 kHz 0.1% + 2 0.1% + 2 0.1% + 2
Notes for frequency specifications:
1 Overload protection: 600 V; input signal is <20,000,000 V × Hz (product of voltage and frequency).
Table 5 - 6 Frequency sensitivity and trigger level specifications for voltage measurements
Input range Minimum sensitivity (rms sine wave)
Maximum input for
specified accuracy
[1]
5 Hz to 50 kHz
U1231A U1232A U1233A
600 mV in Scale mode 50 mV 50 mV 50 mV
600 mV 120 mV 120 mV 120 mV
6 V 0.6 V 0.6 V 0.6 V
60 V 5.0 V 5.0 V 5.0 V
600 V 50 V 50 V 50 V
Notes for frequency sensitivity specifications for voltage measurements:
1 Maximum input for specified accuracy, refer to “AC specifications” on page 109.