Pinhole Detector Product List and Ranking from 4 Manufacturers, Suppliers and Companies

Last Updated：Oct 15, 2025 Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

Pinhole Detector Manufacturer, Suppliers and Company Rankings

Last Updated：Oct 15, 2025 Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

SANKO ELECTRONIC LABORATORY CO.,LTD. Tokyo//Testing, Analysis and Measurement
レックス Hyogo//Testing, Analysis and Measurement
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4 センサーテクノロジー Tokyo//Other manufacturing
4 ソーキ Osaka//Service Industry

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Pinhole Detector Product ranking

Last Updated：Oct 15, 2025 Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

Pinhole Detector "Pinhole Tester PH Series" SANKO ELECTRONIC LABORATORY CO.,LTD.
Pinhole Detector "Hollister 15N/5N" SANKO ELECTRONIC LABORATORY CO.,LTD.
Pinhole Detector "Plastic Container Checker PPC (High Voltage Discharge Type)" SANKO ELECTRONIC LABORATORY CO.,LTD.
Pinhole Checker APH-D30C High Voltage Generation Unit SANKO ELECTRONIC LABORATORY CO.,LTD.
5 Pinhole Detector "TO-51C/151C/251C" SANKO ELECTRONIC LABORATORY CO.,LTD.

Pinhole Detector Product List

16～24 item / All 24 items

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Pinhole Detector "TO-5DP"

A detector effective for pinhole detection and defect inspection of thin insulating films on electronic devices and precision machinery.

The "TO−5DP" is a low-power, direct current high-voltage detector used for detecting pinholes in relatively thin films, such as fluororesin, that are less than a few hundred microns thick. It is effective for detecting pinholes and inspecting defects in thin insulating films of electronic devices and precision instruments. Please utilize it for the inspection of thin films. 【Features】 ■ Low power ■ Direct current high-voltage type ■ Effective for detecting pinholes and inspecting defects in thin insulating films of electronic devices and precision instruments *For more details, please refer to the PDF document or feel free to contact us.

Company：SANKO ELECTRONIC LABORATORY CO.,LTD.
Price：Other

Other inspection equipment and devices

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Pinhole Detector TRC-110B Rental

With a buzzer, the target coating thickness is 1mm or more.

A pinhole detector that applies a high voltage of 5?23kV to short-circuit the coating defect area and generate a spark for detection.

Company：レックス
Price：Other

Image Processing Equipment

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Pinhole Detector (for Thin Materials) TRC-220B Rental

With a buzzer, the target coating thickness is less than 1mm.

A pinhole detector for thin materials that applies a high voltage of 1?6kV to short-circuit the coating defect area and generate a spark for detection.

Company：レックス
Price：Other

Image Processing Equipment

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Pinhole Detector (for PC Steel Wire) TRC-70B Rental

A pinhole detector for PC steel wire that uses an earth electrode to improve inspection efficiency.

The TRC-70B is a pinhole detector for PC steel wire that uses a grounding electrode to improve inspection efficiency. It does not damage the paint or lining films with low-frequency pulse discharge and low current output. Indirect grounding is possible, and grounding can be achieved even with full coverage. Operation is as simple as placing the probe electrode on the item being inspected, and it indicates the presence or absence of pinholes with a lamp or buzzer. 【Features】 ○ Low-frequency pulse discharge type ○ Variable voltage ○ Easy operation and safe design For more details, please contact us.

Company：レックス
Price：Other

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Pinhole Detector 'TRC-220B (less than 1mm)' [Rental]

It can detect pinholes in metallic coatings. (Target coating thickness less than 1mm, detection voltage 1-6kV)

- The goal is to detect defects in the anti-corrosion and anti-rust properties of the coating and lining films without damaging the films. - Avoid high frequencies that are prone to thermal destruction and measure at low frequencies. - Achieve miniaturization for portability by reducing power consumption and enabling battery operation. - Considering the degradation of the coating, a high-voltage pulse method is adopted to relatively reduce the application time of high voltage. - The discharge current is suppressed to avoid impacts on the human body and damage to the coating. - The structure allows for the confirmation of the voltage applied to the coating and voltage adjustment.

Company：ソーキ
Price：Other

Flaw detection testing

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Pinhole Detector TRC-250B Rental

Low-frequency pulse type, microcurrent type

A high voltage of 5 to 25 kV is applied to short-circuit the coating defect area, generating a spark for detection. It comes with a buzzer and lamp, and the target coating thickness is 1 mm or more. Due to its low-frequency pulse type and microcurrent design, it can perform high voltage pinhole inspection without damaging the coating.

Company：レックス
Price：Other

Visual Inspection Equipment

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Pinhole Detector "TRC-110B (1mm or more)" [Rental]

It can detect pinholes in metal coatings. (Target coating thickness of 1mm or more, detection voltage of 5 to 23kV)

■The goal is to detect defects in the coating and lining films for rust and corrosion prevention without damaging the films. ■Measurements are taken at low frequency to avoid high frequencies that are prone to thermal destruction. ■Achieving a compact portable design by reducing power consumption and enabling battery operation. ■Considering the degradation of the coating, a high-voltage pulse method is adopted to relatively minimize the application time of high voltage. ■To avoid impacts on the human body and damage to the coating, the discharge current is suppressed. ■The structure allows for confirmation of the voltage applied to the coating and voltage adjustment.

Company：ソーキ
Price：Other

Flaw detection testing

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Pinhole Detector 'TRC-70B (less than 1mm)' [Rental]

It can detect pinholes in the metal coating (for coating thickness less than 1mm).

■ The goal is to detect defects in the coating and lining films related to rust and corrosion without damaging the films. ■ Avoid high frequencies that are prone to thermal destruction and conduct measurements at low frequencies. ■ Achieve miniaturization for portability by reducing power consumption and enabling battery operation. ■ Considering the degradation of the coating, a high-voltage pulse method is adopted to relatively reduce the application time of high voltage. ■ To avoid impacts on the human body and damage to the coating, the discharge current is suppressed. ■ The structure allows for confirmation of the voltage applied to the coating and voltage adjustment.

Company：ソーキ
Price：Other

Flaw detection testing

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Pinhole Detector 'TRC-250B (1mm or more)' [Rental]

It can detect pinholes in metal coatings (target coating thickness of 1mm or more).

■ The goal is to detect defects in the coating and lining films for rust and corrosion prevention without damaging the films. ■ Measurements are taken at low frequencies to avoid high frequencies that are prone to thermal destruction. ■ By reducing power consumption and enabling battery operation, portability in a compact form is achieved. ■ Considering the degradation of the coating, a high-voltage pulse method is adopted to relatively minimize the application time of high voltage. ■ Discharge current is suppressed to avoid impacts on the human body and damage to the coating. ■ The structure allows for the confirmation of voltage applied to the coating and voltage adjustment.

Company：ソーキ
Price：Other

Flaw detection testing

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