U1451A Datasheet, PDF (11/20 Pages) Keysight Technologies – Insulation Resistance Testers

11 | Keysight | U1450A/U1460A Insulation Resistance Testers - Data Sheet
U1453A/U1461A adjustable DC test voltage speciications
Adjusted DC test voltage specifications with accuracy of ± (% of reading + number of least significant digit)^{1, 2}
Range
1100 V
Resolution
1V
Accuracy
0.5% + 1
Rate current
1 mA nominal
1. The minimum test voltage may be set from 10 V
2. The indication at the rated output voltage across a resistor with a value of UN × (1000 Ω/V) shall not differ by more than 10% relative to the indi-
cated value, as a result of possibly present AC voltage components in the output voltage, when a capacitor of 1 µF is connected in parallel with
the insulation resistance to be measured
U1451A/U1452A/U1452AT DC voltage speciications
DC voltage specifications with accuracy of ± (% of reading + number of least significant digit)
Function
Voltage¹
Range
6V
60 V
600 V
1000 V
Resolution
0.001 V
0.01 V
0.1 V
1V
Accuracy
U1451A
0.5% + 2
0.5% + 2
0.5% + 2
0.5% + 2
U1452A/U1452AT
0.2% + 2
0.2% + 2
0.2% + 2
0.2% + 2
Input impedance
10 MΩ (nominal)
10 MΩ (nominal)
10 MΩ (nominal)
10 MΩ (nominal)
1. DC V overload protection: 1000 V_RMS
U1453A/U1461A DC voltage speciications
DC voltage specifications with accuracy of ± (% of reading + number of least significant digit)
Function
Voltage
Range
60 mV¹
600 mV¹
6 V²
60 V²
600 V²
1000 V²
Resolution
0.01 mV
0.1 mV
0.001 V
0.01 V
0.1 V
1V
Accuracy
0.09% + 1
0.09% + 1
0.09% + 1
0.09% + 1
0.09% + 1
0.09% + 1
Input impedance
10 MΩ³
10 MΩ³
11.11 MΩ
10.1 MΩ
10 MΩ
10 MΩ
1. The following statements are true for DC mV measurements:
– DC mV measurements are for model U1461A only
– The accuracy is speciied after the Null function is used to subtract the thermal effect (by shorting the test leads)
– DC mV overload protection: 1000 VRMS for short circuits with < 0.3 A current
2. DC V overload protection: 1000 VRMS
3. The input impedance may be set to > 1 GΩ in the Setup menu
U1451A/U1452A/U1452AT AC voltage speciications
AC voltage specifications with accuracy of ± (% of reading + number of least significant digit)
Function
Voltage¹
Range
6V
60 V
600 V
1000 V
Resolution
0.001 V
0.01 V
0.1 V
1V
Accuracy
45 to 400 Hz
2.0% + 3
2.0% + 3
2.0% + 3
2.0% + 3
1. The following statements are true for resistance measurements:
–
–
AC
AC
V
V
overload protection:
input impedance: 10
100
MΩ
0_inV_pRaMrSallel
with
<
100
pF
(nominal)
– The input signal is lower than the product of 1,000,000 V×Hz