U1401B Datasheet, PDF (6/10 Pages) Keysight Technologies – Multi-function Calibrator/Meter

06 | Keysight | U1401B Handheld Multi-function Calibrator/Meter - Data Sheet
Input Speciications
Frequency speciications
Range
100 Hz
1 kHz
10 kHz
100 kHz
200 kHz
Resolution
0.001 Hz
0.01 Hz
0.1 Hz
1 Hz
10 kHz
Accuracy
0.02% + 3
Minimum input frequency
1 Hz
Overload protection
250 Vrms
Frequency sensitivity and trigger level for voltage measurement
Input range
50 mV
500 mV
5V
50 V
250 V
Minimum sensitivity (rms sine wave)
1 Hz to 100 kHz
15 mV
35 mV
> 100 kHz
25 mV
50 mV
0.3 V
0.5 V
3V
5V
30 V
–
Trigger level for DC coupling
< 20 kHz
20 mV
60 mV
20 kHz to 200 kHz
30 mV
80 mV
0.6 V
0.8 V
6V
8V
60 V
–
Frequency sensitivity for current measurement
Input range
50 mA
500 mA
Minimum sensitivity (rms sine wave)
30 Hz to 20 kHz
2.5 mA
25 mA
Duty cycle and pulse width
Function
Duty cycle
Pulse width²
Mode
DC coupling
AC coupling
–
Range
0.1% to 99.9%
5% to 95%
0.01 ms to 1999.9 ms
1. Accuracy is based on a 5-V square-wave input to the 5 VDC range.
2. Pulse width must be greater than 10 µs and its range is determined by the frequency of the signal.
Accuracy at full scale¹
0.3% per kHz + 0.3%
0.2% + 3