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Tempest At5K Resistance Tester
MFR Model# AT5K
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Overview
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High internal resistance in spark plugs is rapidly becoming a concern that many IA/AP's are beginning to recognize as the source of rough running engines and chronic magneto related problems. Since a growing number of maintenance facilities are incorporating a resistance check of all spark plugs, Tempest felt it would be beneficial to make it as easy and efficient as possible to conduct such a test.
AT5K Resistance Tester The IA/AP simply places the spark plug, barrel side down over the contact post and touches the other lead end to the firing end of the center electrode. If the light is green, the spark plug resistance is below 4kŮ (thousand ohms). If both the green and red lights are on, then the plug is between 4 - 5kŮ. This is acceptable for serviceable plugs. If the red light is on alone, this indicates a resistance value in excess of 5kŮ and the plug must be discarded and replaced. |
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WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. |
Documents
Reviews
Great affordable product for using off-site in a mobile maintenance environment.
Verified Purchase
Tempest AT5K Resistance Tester
Works great. Quick and easy to test plugs. You may need to wiggle the plug or scrape the test lead to make connection but its very easy. Worth the money if you check plugs often.
Verified Purchase
Tempest AT5K Resistance Tester
Works as advertised. Quick and easy, takes seconds to check your plugs as compared to using an ohm meter.
Verified Purchase
Tempest AT5K Resistance Tester
Works really well
Verified Purchase
Tempest AT5K Resistance Tester
Thanks for stocking the sparkplug tester. Its a good first step for my plug changing routine. Works good.
Verified Purchase
Tempest AT5K Resistance Tester
Verified Purchase
Tempest AT5K Resistance Tester
Verified Purchase
Tempest AT5K Resistance Tester
Some folks have complained of the price, but to me it is well worth it for the convenience and accuracy. I highly recommend having one. I rotate and test my plugs every 50 hours on my O-540. Having this tester has made checking the resistance a breeze.
Verified Purchase
Tempest AT5K Resistance Tester
👍👍👍
Verified Purchase
Tempest AT5K Resistance Tester
Would prefer a built in OHM gauge on the unit, but the unit is well made and should provide years of good service. It is easy to use
Q&A
Please note, Aircraft Spruce ®'s personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce ® assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
Yes, both plugs types will work fine with this tester.
Per the supplier: Yes, it will work with both types of plugs.
This is powered with a 9V battery.
90 days from date of purchase.
