U1451A Datasheet, PDF (12/20 Pages) Keysight Technologies – Insulation Resistance Testers

12 | Keysight | U1450A/U1460A Insulation Resistance Testers - Data Sheet
U1453A/U1461A AC voltage speciications
True RMS AC voltage specifications with accuracy of ± (% of reading + number of least significant digit)
Function
Voltage⁶
Range
Resolution
60 mV^{1, 2, 4}
0.01 mV
600 mV^{1, 2, 4}
0.1 mV
6 V^{3, 5}
0.001 V
60 V^{3, 5}
0.01 V
600 V^{3, 5}
0.1 V
1000 V^{3, 5}
0.1 V
LPF (low-pass ilter) enabled, applicable for all
voltage ranges and resolution^{1, 3, 5}
Accuracy
45 to 65 Hz
1.0% + 3
1.0% + 3
1.0% + 3
1.0% + 3
1.0% + 3
1.0% + 3
1.0% + 3
65 Hz to 5 kHz
1.5% + 3
1.5% + 3
1.5% + 3
1.5% + 3
1.5% + 3 @ < 1 kHz
1.5% + 3 @ < 1 kHz
1.5% + 3 @ < 200 Hz
6.0% + 3 @ < 440 Hz
5 to 20 kHz
2.0% + 4
2.0% + 4
2.0% + 4
2.0% + 4
–
–
–
1. AC mV and LPF measurements are for model U1461A only
2.
3.
4.
AC mV overload protection: 1000 V_RMS for short circuits with < 0.3 A current
AC
AC
V_mVov_ie_nr_pl_uoa_t d_imp_pr_eo_dte_ac_nt_cio_en_: :_T1_h0_e0_in0_pV_{uRtMiSmpedance}
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 speciications
DC current specifications with accuracy of ± (% of reading + number of least significant digit)
Function
Current¹
Range
6 µA
60 µA
600 µA
6 mA
60 mA
440 mA²
Resolution
0.001 µA
0.01 µA
0.1 µA
0.001 mA
0.01 mA
0.1 mA
Accuracy
0.8% + 2³
0.4% + 1³
0.2% + 1
0.2% + 1
0.2% + 1
0.2% + 1
Burden voltage/shunt
< 0.24 V/39.2 kΩ
< 0.24 V/3.56 kΩ
< 0.062 V/100 Ω
< 0.62 V/100 Ω
< 0.16 V/1 Ω
< 1.17 V/1 Ω
1. Overload protection: 0.44 A/1000 V; 10 × 35 mm 30 kA fast-acting fuse
2. Speciication 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 speciied after the Null function is used to zero the offset (by opening the test leads)
U1461A AC current speciications
True RMS AC current specifications with accuracy of ± (% of reading + number of least significant digit)
Function
Current¹
Range
6 µA
60 µA
600 µA
6 mA
60 mA
440 mA²
Resolution
0.001 µA
0.01 µA
0.1 µA
0.001 mA
0.01 mA
0.1 mA
Accuracy
45 Hz to 1 kHz
2.0% + 2
1.5% + 2
1.0% + 2
1.0% + 2
1.0% + 2
1.0% + 2
Burden voltage/shunt
< 0.24 V/39.2 kΩ
< 0.24 V/3.56 kΩ
< 0.062 V/100 Ω
< 0.62 V/100 Ω
< 0.16 V/1 Ω
< 1.17 V/1 Ω
1. Overload protection: 0.44 A/1000 V; 10 × 35 mm 30 kA fast-acting fuse
2. Speciication for 440 mA range: 440 mA continuous for signals > 440 mA up to 600 mA for 120 seconds maximum