Keysight Technologies U1174A Hoja De Datos
3
AC specifications
Function
Range
Resolution
Test current/
burden voltage
burden voltage
Accuracy ± (% of reading + counts of
least significant digit)
40 to 500 Hz 500 Hz to 1 kHz 1 to 2 kHz
least significant digit)
40 to 500 Hz 500 Hz to 1 kHz 1 to 2 kHz
AC voltage
8, 12
True RMS
1000.0 mV
0.1 mV
–
1% + 5
2% + 5
–
10.000 V
0.001 V
–
1% + 5
2% + 5
100.00 V
0.01 V
–
1000.0 V
0.1 V
–
–
AC current
9, 12
True RMS
1000.0 µA
0.1 µA
< 0.06 V (50 Ω)
1% + 5
1.5% + 5
–
10000 µA
1 µA
< 0.55 V (50 Ω)
100.00 mA
0.01 mA
< 0.18 V (0.5 Ω)
440.0 mA
10
0.1 mA
< 0.8 V (0.5 Ω)
10.000 A
11
0.001 A
< 0.4 V (0.01 Ω)
8. Input impedance: 10 MΩ (nominal) in parallel with < 100 pF, with overload protection of 1000 V RMS
9. Crest factor ≤ 3. For non-sinusoidal waveforms with crest factor up to 3, add 2% reading + 2% full scale typical.
10. Current can be measured from 50 mA to 440 mA continuously. An additional 0.2% needs to be added to the specified accuracy if the signal
9. Crest factor ≤ 3. For non-sinusoidal waveforms with crest factor up to 3, add 2% reading + 2% full scale typical.
10. Current can be measured from 50 mA to 440 mA continuously. An additional 0.2% needs to be added to the specified accuracy if the signal
measured is in the range of 440 mA to 1100 mA for 30 seconds maximum. After measuring a current of > 440 mA, leave the meter to cool down for
twice the measuring time used before application of low current measurement.
twice the measuring time used before application of low current measurement.
11. Current can be measured from 0.5 A up to 10 A continuously with a maximum operating temperature of 50 °C. An additional 0.3% needs to be added
to the specified accuracy if the signal measured is in the range of 10 A to 19.999 A for 15 seconds maximum. After measuring a current of >10 A,
leave the meter to cool down for 60 seconds before applying a low current measurement.
leave the meter to cool down for 60 seconds before applying a low current measurement.
12. AC voltage and AC current specifications are AC coupled. True RMS measurement is valid from 5 % of range to 100 % of range.
Temperature specifications
Thermocouple type
Range
Resolution
Accuracy ± (% of reading +
offset error)
offset error)
K (for U1241B and U1242B)
–40 to 1000 ºC/–48 to 1832 ºF
0.1 °C /0.1 °F
1% + 1 ºC/1% + 1.8 °F
J (for U1242B only)
–40 to 1000 ºC/–48 to 1832 ºF
0.1 ºC/0.1 ºF
1% + 1 ºC/1% + 1.8 °F
Capacitance specifications
Range
Resolution
Accuracy ± (% of reading + counts of least significant digit)
1000.0 nF
0.1 nF
1.2% + 4
10.000 µF
0.001 µF
100.00 µF
0.01 µF
1000.0 µF
0.1 µF
2% + 4
10.000 mF
0.001 mF
Harmonic ratio specifications
Range
Frequency
Voltage
0.0% to 99.9%
40 to 500 Hz
100 mVAC to 1000 VAC
Electrical Specifications