6

Electrical Specifications

Frequency sensitivity specifications

For voltage measurements

Input range

Minimum sensitivity (rms sine wave)

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:

1. Maximum input for specified accuracy, refer to “AC specifications” on page 106 of the User Guide.

For current measurements

Input range

Minimum sensitivity (rms sine wave)

45 Hz to 5 kHz

U1232A

U1233A

60 μA

30 μA

30 μA

600 μA

30 μA

30 μA

6 A

0.5 A

0.5 A

10 A

0.5 A

0.5 A

Notes:

1. Maximum input for specified accuracy, refer to “AC specifications” on page 106 of the User Guide.

Scale transfer (mV)

Range

Resolution

Accuracy ± (% of reading + counts of least significant digit)

U1231A/U1232A/U1233A

DC 600 mV

0.1 mV

AC 600 mV

0.1 mV

1.0 % + 3 @ 45 Hz to 500 Hz

2.0 % + 3 @ 500 Hz to 1 kHz

Notes:

1. Overload protection: 600 Vrms for short circuits with < 0.3 A current.

2. The accuracy of the DC 600 mV range is specified after the Null function is used to subtract the thermal effect (by shorting the test leads).

3. Input impedance: 10 MΩ (typical).