Datasheet

12 | Keysight | U1450A/U1460A Insulation Resistance Testers - Data Sheet
U1453A/U1461A AC voltage specifications
True RMS AC voltage specifications with accuracy of ± (% of reading + number of least significant digit)
Accuracy
Function Range Resolution 45 to 65 Hz 65 Hz to 5 kHz 5 to 20 kHz
Voltage
6
60 mV
1, 2, 4
0.01 mV 1.0% + 3 1.5% + 3 2.0% + 4
600 mV
1, 2, 4
0.1 mV 1.0% + 3 1.5% + 3 2.0% + 4
6 V
3, 5
0.001 V 1.0% + 3 1.5% + 3 2.0% + 4
60 V
3, 5
0.01 V 1.0% + 3 1.5% + 3 2.0% + 4
600 V
3, 5
0.1 V 1.0% + 3 1.5% + 3 @ < 1 kHz –
1000 V
3, 5
0.1 V 1.0% + 3 1.5% + 3 @ < 1 kHz –
LPF (low-pass filter) enabled, applicable for all
voltage ranges and resolution
1, 3, 5
1.0% + 3 1.5% + 3 @ < 200 Hz
6.0% + 3 @ < 440 Hz
–
1. AC mV and LPF measurements are for model U1461A only
2. AC mV overload protection: 1000 V
RMS
for short circuits with < 0.3 A current
3. AC V overload protection: 1000 V
RMS
4. AC mV input impedance: The input impedance may be set to > 1 GΩ in the Setup menu, the default input impedance is 10 MΩ in parallel with 100
pF (nominal)
5. AC V input impedance: 10 MΩ in parallel with < 100 pF (nominal)
6. The input signal is lower than the product of 20,000,000 V×Hz
U1461A DC current specifications
DC current specifications with accuracy of ± (% of reading + number of least significant digit)
Function Range Resolution Accuracy Burden voltage/shunt
Current
1
6 µA 0.001 µA 0.8% + 2
3
< 0.24 V/39.2 kΩ
60 µA 0.01 µA 0.4% + 1
3
< 0.24 V/3.56 kΩ
600 µA 0.1 µA 0.2% + 1 < 0.062 V/100 Ω
6 mA 0.001 mA 0.2% + 1 < 0.62 V/100 Ω
60 mA 0.01 mA 0.2% + 1 < 0.16 V/1 Ω
440 mA
2
0.1 mA 0.2% + 1 < 1.17 V/1 Ω
1. Overload protection: 0.44 A/1000 V; 10 × 35 mm 30 kA fast-acting fuse
2. Specification for 440 mA range: 440 mA continuous for signals > 440 mA up to 600 mA for 120 seconds maximum
3. The accuracy of the 6 to 60 μA range is specified after the Null function is used to zero the offset (by opening the test leads)
U1461A AC current specifications
True RMS AC current specifications with accuracy of ± (% of reading + number of least significant digit)
Accuracy
Function Range Resolution 45 Hz to 1 kHz Burden voltage/shunt
Current
1
6 µA 0.001 µA 2.0% + 2 < 0.24 V/39.2 kΩ
60 µA 0.01 µA 1.5% + 2 < 0.24 V/3.56 kΩ
600 µA 0.1 µA 1.0% + 2 < 0.062 V/100 Ω
6 mA 0.001 mA 1.0% + 2 < 0.62 V/100 Ω
60 mA 0.01 mA 1.0% + 2 < 0.16 V/1 Ω
440 mA
2
0.1 mA 1.0% + 2 < 1.17 V/1 Ω
1. Overload protection: 0.44 A/1000 V; 10 × 35 mm 30 kA fast-acting fuse
2. Specification for 440 mA range: 440 mA continuous for signals > 440 mA up to 600 mA for 120 seconds maximum