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U1451A データシート(PDF) 11 Page - Keysight Technologies

部品番号 U1451A
部品情報  Insulation Resistance Testers
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メーカー  KEYSIGHT [Keysight Technologies]
ホームページ  http://www.keysight.com
Logo KEYSIGHT - Keysight Technologies

U1451A データシート(HTML) 11 Page - Keysight Technologies

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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
Resolution
Accuracy
Rate current
1100 V
1 V
0.5% + 1
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)
Accuracy
Function
Range
Resolution
U1451A
U1452A/U1452AT
Input impedance
Voltage1
6 V
0.001 V
0.5% + 2
0.2% + 2
10 MΩ (nominal)
60 V
0.01 V
0.5% + 2
0.2% + 2
10 MΩ (nominal)
600 V
0.1 V
0.5% + 2
0.2% + 2
10 MΩ (nominal)
1000 V
1 V
0.5% + 2
0.2% + 2
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
Range
Resolution
Accuracy
Input impedance
Voltage
60 mV1
0.01 mV
0.09% + 1
10 MΩ3
600 mV1
0.1 mV
0.09% + 1
10 MΩ3
6 V2
0.001 V
0.09% + 1
11.11 MΩ
60 V2
0.01 V
0.09% + 1
10.1 MΩ
600 V2
0.1 V
0.09% + 1
10 MΩ
1000 V2
1 V
0.09% + 1
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)
Accuracy
Function
Range
Resolution
45 to 400 Hz
Voltage1
6 V
0.001 V
2.0% + 3
60 V
0.01 V
2.0% + 3
600 V
0.1 V
2.0% + 3
1000 V
1 V
2.0% + 3
1.
The following statements are true for resistance measurements:
– AC V overload protection: 1000 V
RMS
– AC V input impedance: 10 MΩ in parallel with < 100 pF (nominal)
– The input signal is lower than the product of 1,000,000 V×Hz


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