Datasheet

13 | Keysight | U1450A/U1460A Insulation Resistance Testers - Data Sheet
U1451A/U1452A/U1452AT resistance specifications
Resistance specifications with accuracy of ± (% of reading + number of least significant digit)
Accuracy
Function Range Resolution U1451A U1452A/U1452AT
Resistance
1
600 Ω 0.1 Ω 1.5% + 3 1.0% + 3
6 kΩ 0.001 kΩ 1.5% + 3 1.0% + 3
60 kΩ 0.01 kΩ 1.5% + 3 1.0% + 3
600 kΩ 0.1 kΩ 1.5% + 3 1.0% + 3
6 MΩ 0.001 MΩ 2.0% + 3 1.2% + 3
60 MΩ 0.01 MΩ 2.5% + 3 2.0% + 3
1. The following statements are true for resistance measurements:
– Overload protection: 1000 VRMS for short circuits with < 0.3 A current
– Maximum open voltage is < +2.8 V
– The built-in buzzer beeps when the resistance measured is less than 30 Ω ± 15 Ω
– The accuracy is specified after the Null function is used to subtract the test lead resistance and thermal effect (by shorting the test leads)
U1453A/U1461A resistance/audible continuity specifications
Resistance/Audible continuity specifications with accuracy of ± (% of reading + number of least significant digit)
Function Range Resolution Accuracy Continuity threshold
Resistance
1
600 Ω
2
0.1 Ω 0.5% + 2 12 ± 4 Ω
6 kΩ 0.001 kΩ 0.5% + 2 0.06 ± 0.02 kΩ
60 kΩ 0.01 kΩ 0.5% + 2 0.33 ± 0.17 kΩ
600 kΩ 0.1 kΩ 0.5% + 2 3.6 ± 1.8 kΩ
6 MΩ
3
0.001 MΩ 0.8% + 2 0.13 ± 0.07 MΩ
60 MΩ
3, 4
0.01 MΩ 1.5% + 3 0.13 ± 0.07 MΩ
1. The following statements are true for resistance measurements:
– Overload protection: 1000 VRMS for short circuits with < 0.3 A current
– Maximum open voltage is < +2.1 V
– The built-in buzzer beeps when the resistance measured is less than 12 Ω ± 4 Ω. The tester can capture intermittent measurements longer than 1 ms.
2. The accuracy of the 600 MΩ range is specified after the Null function is used to subtract the test lead resistance and thermal effect (by shorting
the test leads)
3. For the ranges of 6 MΩ and 60 MΩ, the RH is specified for < 60% @ 30 °C
4. The temperature coefficient of the 60 MΩ range is 0.1 × (specified accuracy)/°C (from –40 to 18 °C or 28 to 55 °C)
U1453A/U1461A diode test specifications
Diode specifications with accuracy of ± (% of reading + number of least significant digit)
Function Range Resolution Accuracy Test current
Diode
1
1 V
2
0.001 V 2% + 3 0.21 mA
Auto
3
0.001 V 2% + 3 0.21 mA
1. The following statements are true for diode tests:
– Overload protection: 1000 V
RMS
for short circuits with < 0.3 A current
– The built-in buzzer beeps continuously when the voltage measured is less than 0.04 ± 0.02 V and beeps once for forward-biased diode or
semiconductor junctions measured between 0.3 V and
0.8 V (0.3 V ≤ reading ≤ 0.8 V)
2. Open voltage for diode: < +2.1 VDC
3. Open voltage for Auto-diode: < +2.1 VDC and > –2.1 VDC