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  6. Pinhole tester

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last updated:Jul 19, 2023

東京精電
東京精電
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Pinhole tester for inspecting holes and scratches on the outer film of electrolytic capacitors.

The "Pinhole Tester" is a device that generates stable high DC voltage to conduct dielectric strength tests on the coatings of electrolytic capacitors. It can inspect for holes or scratches in the outer film of the electrolytic capacitor. The test is performed by applying voltage between an electrode that wraps around the outside of the tube and the case of the electrolytic capacitor. It can be turned ON/OFF remotely and comes with an acrylic cover to prevent accidental operation. 【Features】 ■ Generates stable high DC voltage for testing ■ Remote ON/OFF capability ■ Includes an acrylic cover to prevent accidental operation *For more details, please refer to the PDF document or feel free to contact us.

    Testing Equipment and Devices
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Pinhole tester

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  • Related Link - http://www.tokyo-seiden.co.jp/

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【Specifications】 ■ Input ・1φAC100V ±10% 50/60Hz ・Input current: 7A or less ■ Output ・Voltage DC: 100V~2990V, positive polarity, single-ended grounding ・Setting: 0.10KV~2.99KV ・Maximum current: 30mA ■ Cut-off current ・Setting: 0.10mA~3.99mA ■ Timer ・Setting: Trimmer type 0.1 seconds to 0.5 seconds, factory default set to 0.1 seconds ■ Voltmeter: 3-digit digital display 0~3KV, accuracy ±1.5% FS ■ Output resistance: Approximately 99KΩ series resistance is built in. This is for current limiting during short circuits and protection of internal components (mainly diodes). ■ Size: W280×H100×D350 (excluding protrusions) ■ Weight: 7kg or less *For more details, please refer to the PDF document or feel free to contact us.

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【Purpose】 ■Inspection of the outer film of electrolytic capacitors *For more details, please refer to the PDF document or feel free to contact us.

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東京精電

東京精電

Industrial Electrical Equipment

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Tokyo Seiden meets customer needs through the fusion of our winding technology, circuit design, and mechanical design, which are at the core of power electronics technology.

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