HIOKI 3174 AC Automatic Insulation/Withstanding HiTester
• Full remote operation when used in combination with the Safety Test Data Management Software 9267
• Save up to 8 test settings each for the withstanding and insulation testing modes
• Precise test voltage without power voltage dependency is generated using the PWM method
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[Withstanding test section] |
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Testing voltage |
0.2 V AC to 5.00 kV AC |
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Voltage setting |
Digital setting, Setting resolution: 0.01 kV |
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Waveform/Frequency |
Sine wave (Distortion ratio 5 % or less at no load), 50/60 Hz selectable |
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Current measurement |
0.01 mA to 20.0 mA, True RMS rectified (digital display) |
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Measurement range |
10 mA (0.01 mA resolution), 20 mA (0.1 mA resolution) |
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Voltage meter |
Accuracy: ±1.5 % rdg. (1000 V or more), ±15 V (less than 1000 V), True RMS rectified |
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Judgment function |
Window comparator method (Digital setting) |
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[Insulation test section] |
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Testing voltage |
500 V DC, 1000 V DC |
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Unloaded voltage |
1 to 1.2 times rated voltage |
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Rated testing current |
1 to 1.2 mA, Shorted current: 4 to 5 mA (at 500 V), 2 to 3 mA (at 1000 V) |
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Measurement range, Accuracy |
0.5 MΩ to 999 MΩ (at 500 V), and 1 MΩ to 999 MΩ (at 1000 V): ±4 % rdg., 1000 MΩ to 2000 MΩ: ±8 % rdg. |
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Judgment function |
Window comparator method (Digital setting) |
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[Timer section] |
*Test times may differ from set timer times depending on the load. |
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Setting range |
0.3 to 999 s |
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Ramp, Delay |
Testing voltage ramp-up, or down, Insulation test delay: 0.1 to 99.9 s |
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[General section] |
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Functions |
Saving 8 testing conditions, hold, buzzer, contact check |
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Monitor function |
Output voltage, detected current, insulation resistance, Refresh rate: 2 times/s |
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Power supply |
100 to 240 V AC, (50/60 Hz), 200 VA max. |
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Dimensions and mass |
320 mm (12.60 in)W × 155 mm (6.10 in)H × 395 mm (15.55 in)D, 15 kg (529.1 oz) |
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Accessories |
H.V. Test lead 9615 (high voltage side and return, 1 each) ×1, Power cord ×1, Instruction manual ×1, Disconnection prevention plate ×1 |
• Continuous testing of insulation (500/1000 V) and withstand voltage (100 VA transformer capacity)
• Full remote operation when used in combination with the Safety Test Data Management Software 9267
• Save up to 8 test settings each for the withstanding and insulation testing modes
• Precise test voltage without power voltage dependency is generated using the PWM method