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U1461A Scheda tecnica(PDF) 10 Page - Keysight Technologies |
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U1461A Scheda tecnica(HTML) 10 Page - Keysight Technologies |
10 / 20 page 10 | Keysight | U1450A/U1460A Insulation Resistance Testers - Data Sheet U1451A/U1452A/U1452AT EN61557 speciications The following specifications are a requirement for European labeling. Intrinsic uncertainty Measurement U1451A U1452A/U1452AT Operating uncertainty1 Voltage ± (0.5% + 2) ± (0.2% + 2) 30% Earth-bond resistance ± (1.5% + 3) ± (1.0% + 3) 30% Insulation resistance Based on the test voltage and range. Refer to insulation resis- tance speciications for U1451A/U1452A/U1452AT. 30% 1. The maximum resistance to meet the standard of EN61557-1, 5.2.4, which indicates the maximum amount allowed as less than 30% Test voltage1, 2, 3 IR < Intrinsic uncertainty (A) Temperature (E3) Operating uncertainty 50 V 12.85 GΩ 27.6% 2% 27.6% + 1.15 x E3 100 V 25.7 GΩ 27.6% 2% 27.6% + 1.15 x E3 250 V 65.5 GΩ 27.6% 2% 27.6% + 1.15 x E3 500 V 131 GΩ 27.6% 2% 27.6% + 1.15 x E3 1000 V 260 GΩ 27.4% 2% 27.4% + 1.15 x E3 1. Speciication conidence level to 99.73% as coverage factor up to 3 2. Temperature range is from 0 to 35 °C 3. Test voltage/maximum range for different models: Test voltage U1451A U1452A U1452AT 50 V – 60 GΩ 60 GΩ 100 V – 60 GΩ 60 GΩ 250 V 60 GΩ 200 GΩ – 500 V 60 GΩ 200 GΩ – 1000 V 60 GΩ 200 GΩ – U1453A/U1461A EN61557 speciications The following specifications are a requirement for European labeling. Intrinsic uncertainty Measurement U1461A U1453A Operating uncertainty1 Voltage ± (0.09% + 1) ± (0.09% + 1) 30% Earth-bond resistance ± (0.5% + 2) ± (0.5% + 2) 30% ± (0.5% + 20)2 ± (0.5% + 20)2 30% Insulation resistance Based on the test voltage and range. Refer to insulation resis- tance speciications for U1453A/U1461A. 30% 1. The maximum resistance to meet the standard of EN61557-1, 5.2.4, which indicates the maximum amount allowed as less than 30% 2. For 6 Ω range only Test voltage1, 2, IR < Intrinsic uncertainty (A) Temperature (E3) Operating uncertainty 50 V 25.7 GΩ 27.65% 2% 27.65% + 1.15 x E3 100 V 51.4 GΩ 27.65% 2% 27.65% + 1.15 x E3 250 V 131 GΩ 25.65% 2% 25.65% + 1.15 x E3 500 V 260 GΩ 27.45% 2% 27.45% + 1.15 x E3 1000 V 260 GΩ 14.45% 2% 14.45% + 1.15 x E3 1. Speciication conidence level to 99.73% as coverage factor up to 3 2. Temperature range is from 0 to 35 °C |
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