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High Current Contact Probe Product List

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High current contact probe for battery charge and discharge testing.

High current contact probe for battery charge and discharge testing.

For testing EV batteries and cylindrical cells! Solving challenges with a rich lineup and custom sizes.

In the charging and discharging tests of EV batteries and cylindrical cells, do you have any concerns such as: "I am looking for a probe that can withstand long hours of continuous current" or "The contact area of the electrode is small, and standard products do not fit"? Sankei Engineering offers a wide range of high-current contact probes designed to solve these issues for battery charging and discharging tests. Our catalog includes a broad lineup, from a minimum diameter of φ5.0mm (usable current under 20A) to a maximum diameter of φ22.0mm (usable current under 300A). Furthermore, for special electrode shapes that are difficult to accommodate with catalog products or when the contact area is small, we can manufacture custom probes by changing the tip diameter and shape. We also provide design and manufacturing of products optimized for your usage environment, including adjustments to spring load and size design tailored to fixtures. Inquiries during the comparison and information-gathering stage are also welcome. Please feel free to consult us through the contact form on our website. *Care should be taken when selecting high-current probes. For selection points and precautions, please refer to [Battery Selection Points URL].

  • probe
  • Secondary Cells/Batteries
  • High Current Contact Probe

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Increase the allowable current per unit. CNT probe (high current probe)

Increase the allowable current per unit. CNT probe (high current probe)

We were able to significantly improve the performance of the probes even in high current measurements! It is also possible to increase the allowable current value, including the housing.

Recently, the conditions for inspection targets have become stricter, such as lead-free solder, contact with aluminum electrodes, and high current measurements, leading to cases where traditional processing is insufficient in performance. CNTs are strong against current and heat and have features that improve contact with aluminum. By incorporating them into the gold plating of probes, we have successfully enhanced the electrical performance of the gold plating. As a result, even when the contact probe is in contact with aluminum electrodes, it can maintain stable contact for a longer period. Additionally, in high current measurements where traditional pins would physically break due to current overload, we have significantly improved the performance of the probes. *For more details, please refer to the PDF document or feel free to contact us.*

  • probe
  • High Current Contact Probe

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400A continuous current compatible high current contact probe

400A continuous current compatible high current contact probe

It suppresses fever and achieves stable measurements!

We propose a probe that keeps contact resistance low, reduces the heating temperature of the contact area and the probe body, and achieves stable resistance. It can also handle currents of 400A or more, so please feel free to consult us. We also offer contract measurement services for pre-experimental current testing, as well as units and fixtures that incorporate the probes. Please contact us through our website first. ★http://www.sankei-engineering.com/★

  • Terminal Blocks
  • Inspection fixture
  • High Current Contact Probe

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For battery charging and discharging! High current compatible contact probe.

For battery charging and discharging! High current compatible contact probe.

The contact part is made of silver alloy. It suppresses heat generation.

With 40 years of experience, we have been manufacturing contact probes used for various measurements. We also offer high-current contact probes that can handle battery charging and discharging. After inquiring about the material, shape, surface treatment of the workpiece, and measurement conditions (current value, current cycle, environmental temperature, measurement speed), we will propose contact probes suitable for your usage conditions. If you have any questions or concerns regarding electrical measurements, please feel free to contact us through our website. ★http://www.sankei-engineering.com/★

  • Terminal Blocks
  • Inspection fixture
  • probe
  • High Current Contact Probe

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[Free Support] Key Points for Selecting High Current Contact Probes

[Free Support] Key Points for Selecting High Current Contact Probes

Mistakes in probe selection can lead to accidents! We will measure the contact resistance and select the optimal high-current probe for your company free of charge.

The selection of probes for high current applications must be done carefully. If the selection is incorrect, there is a risk of serious problems such as abnormal heating or sparks, which can lead to equipment failure. There are mainly two important points to consider when choosing the appropriate probe: 1. Compatibility of the operating current value and specifications: It is crucial to ensure that the probe's maximum operating current has sufficient margin compared to the actual operating current value. 2. Contact resistance between the probe and the workpiece: High contact resistance can lead to increased heating during current flow. Selecting a probe that can achieve stable low contact resistance contributes to ensuring safety and quality. However, there are many customers who say, "I don't know what specific criteria to use for judgment." Therefore, Sankei Engineering offers a **free probe selection service**. We will actually take your workpiece (product or part) and measure the contact resistance using our equipment. Based on the data obtained, we will propose the most suitable probe for your operating environment. Inquiries during the comparison and information-gathering stage are also welcome. Please feel free to consult us through the contact form on our website.

  • probe
  • High Current Contact Probe

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