Selection mistakes lead to "defective products leaking out"? We will measure contact resistance and select the most suitable probe for insulation resistance testing for free.
The selection of probes for insulation resistance testing must be done carefully. If the selection is incorrect, there is a risk of misclassifying defective products as good ones, leading to the worst-case scenario of "defective products entering the market." To prevent this situation, it is crucial to ensure reliable electrical contact between the workpiece and the probe. There are mainly two key points when selecting a probe that creates this situation: 1. Tip shape: A sharp (pointed) shape is recommended. It can penetrate through foreign substances such as oxide films or dirt on the workpiece surface, ensuring stable electrical contact. 2. Spring load: A relatively larger load is recommended. By applying high pressure, stable electrical contact with the workpiece can be achieved. However, many customers struggle with determining which probe will make stable contact with their workpieces. Therefore, Sankei Engineering offers a free probe selection service that leverages our expertise as a probe manufacturer. We will actually take your workpiece, measure the contact resistance value using our equipment, and based on that data, we will select and propose a probe that can ensure more reliable contact with your workpiece. Inquiries during the information-gathering stage are also welcome. Please feel free to consult us through the inquiry form.
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Flow of Use 1. Inquiry: We will hear about your current issues and usage environment (current values, temperature, etc.). Web meetings or direct visits for discussions are also possible. 2. Work Submission: Please send us your workpieces or the contact probes related to your current issues. 3. Experiment: We will conduct measurements and experiments, such as contact resistance, using our equipment. 4. Proposal: We will propose the optimal products along with the measured data (report). 5. Sample Provision: If desired, we will prepare sample products for you to try on-site. *If existing catalog items cannot meet your needs, we also accept design and manufacturing of custom products.
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Contact probes are indispensable for the manufacturing of all precision instruments. Since entering this field 50 years ago, Sankei Engineering has actively worked on "technologies and products that cannot be imitated by other companies," accumulating unique know-how. Particularly in specialized areas that require high precision, such as measurements under high current, high voltage, and extreme temperatures, it is difficult to meet the demands without our outer spring type (integrated) contact probes, establishing a significant competitive advantage in this market.
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