U1242C Datasheet, PDF (12/15 Pages) Keysight Technologies – U1240 Series Handheld Digital Multimeters

12 | Keysight | U1240 Series Handheld Digital Multimeters - Data Sheet
Frequency specifications for U1241C / U1242C
Range
100.00 Hz
1000.0 Hz
10.000 kHz
100.00 kHz
1000.0 kHz
10.000 MHz
Resolution
0.01 Hz
0.1 Hz
0.001 kHz
0.01 kHz
0.001 kHz
0.001 MHz
Accuracy ± (% of reading +
counts of least significant digit)
0.02 % + 1¹
0.02 % + 1
0.02 % + 1
0.02 % + 1
0.02 % + 1
0.02 % + 1, < 1 MHz
Minimum input frequency
0.5 Hz
Notes
1. The frequency measurement is susceptible to error when measuring low-voltage, low-frequency signals.
Shielding inputs from external noise pickup is critical for minimizing measurement errors. Turning on LPF
(low pass filter) may help to filter out the noise and achieve a stable reading.
U1241C / U1242C sensitivity for voltage measurement
Input range
Maximum input¹ for specified accuracy
100 mV²
600 mV²
1000 mV
10 V
100 V
1000 V
Minimum sensitivity (RMS sine wave)
0.5 Hz to 20 kHz 20 kHz to 50 kHz
15 mV
7.2 mV
15 mV
7.2 mV
125 mV
60 mV
1.25 V
0.6 V
12.5 V
6V
60 V
60 V
50 kHz to 100 kHz
15 mV
15 mV
125 mV
1.25 V
12.5 V
60 V
U1241C / U1242C sensitivity for current measurement
Input range
Maximum input¹ for specified accuracy
100 µA
Minimum sensitivity (RMS sine wave)
0.5 Hz to 20 kHz
20 kHz to 30 kHz
175 µA
60 µA
10 mV
1.75 mA
0.6 mA
100 mV
17.5 mA
6.0 mA
600 mV
100 mA
38 mA
10 A
N/A
1.15 A (< 10 kHz)
Notes
1. Refer to ‘AC specification’ for specified accuracy of maximum input.
2. 100 mV and 600 mV ranges available on Temperature T1 terminal.
Harmonic ratio for U1242C only
Range
0.0 % to 99.9 %
Frequency
40 Hz to 1 kHz
Voltage
100 mVAC to 1000 VAC
Multimeter data refresh rate
Function
ACV (V or mV)
DCV (V or mV)
Ω
Diode
Auto diode
Capacitance
DC µA, mA or A
AC µA, mA or A
Temperature
Frequency
Slow (times/second)
5
5
5
5
1
0.8 (<1000 µF)
5
5
5
1 (>10 Hz)
Fast (times/second)
40
40
40
40
-
40
40
40
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