Datasheet

Page 5
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U1252B/U1253B AC voltage specifications
Function Range Resolution Accuracy ± (% of reading + no. of least significant digit)
Frequency
20 Hz ~ 45 Hz 45 Hz ~ 1 kHz 1 kHz ~ 5 kHz 5 kHz ~ 15 kHz 15 kHz~100 kHz
8
True RMS AC
voltage
1, 2, 7
50.000 mV 0.001 mV 1.5+60 0.4+40 0.7+40 0.75+40 3.5+120
500.00 mV 0.01 mV 0.4+25 0.4+25
1000.0 mV 0.1 mV
5.0000 V 0.0001 V 0.6+25 1.5+40
50.000 V 0.001 V 0.4+25
500.00 V 0.01 V N/A N/A
1000.0 V 0.1 V 0.4+40 0.4+40 N/A N/A
U1251B AC current specifications
Function Range Resolution Accuracy ± (% of reading + no. of least significant digit)
Frequency
30 Hz ~ 45 Hz 45 Hz ~ 2 kHz 2 kHz ~ 20 kHz
6
AC current
2, 7
500.00 µA
3
0.01 µA 1.5+50 0.8+20 3.0+80
5000.0 µA 0.1 µA 1.5+40 3.0+60
50.000 mA 0.001 mA
440.00 mA 0.01 mA
5.0000 A 0.0001 A 2.0+40
5
3+60, <3 A/5 kHz
10.000 A
4
0.001 A
U1251B AC voltage specifications
Function Range Resolution Accuracy ± (% of reading + no. of least significant digit)
Frequency
30 Hz ~ 45 Hz 45 Hz ~ 1 kHz 1 kHz ~ 5 kHz 5 kHz ~ 30 kHz
True RMS Ac
voltage
1, 2, 7
50.000 mV 0.001 mV 1.0+60 0.6+40 1.0+40 1.6+60
500.00 mV 0.01 mV 0.6+25
1000.0 mV 0.1 mV 1.0+25 3.5+120
5.0000 V 0.0001 V
50.000 V 0.001 V
500.00 V 0.01 V N/A
1000.0 V 0.1 V 0.6+40 1.0+40 N/A