Review of the DY Digital Transistor Tester – Download as Word Doc .doc As for the resistor value you have to find it on your own because the manual. Hi Martin, i was really pleased when I saw you get out the Duoyi as I have one of those myself:) The manual though is certainly hard work to.

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Looking really useful, I think I will definately order one of these. Arnold Codilla August 10, at If there is a problem with the cap, there would be no charging or the charging would just stay at one value for example it stays at 8 volt and stop. The disadvantage of this test is you have to wait for the cap to charge up.

Likes 0 Dislikes 0. Posted December 18, 7.

If you need to test on non polar cap that have working voltages that is less than v then dyy294 may need to add a resistor in parallel so that the insulation of the non polar would not fail when you pump in the volt to the cap. I found that this tester consume lots of current especially testing on the capacitor.

Home Help Search Login Register. Thats manuzl awesomeeeeeeeee construction project to make and use. If this non polar cap insulation have problem, the value could be less than volt. HI Siva, How this equipment can used already mentioned in this blog.


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Hi my dear jestine. Here is the new eBay listing. December 29, 4.

Stay tune for more testing result in Part 2. By Jestine Yong on June 2, Hi Tamakloe, Here is the link: For your information, this meter is not design to test on the ESR or the capacitance value of e-caps.

Hi Beh, It yd294 test the Varistor. Please login or register.

Review of the DY Digital Transistor Tester-Part 1 | Electronics Repair And Technology News

There are many reasons why the horizontal output Posted December 28, Very good this tester! Repairing Computer Motherboard I got a good blog post by Ranotosh on Logged Play, discover, learn manuzl enjoy! Your manua address will not be published.

That means if you want to test a 16 volt cap, make sure the charging voltage would not exceed 16 volt. Just insert the e-cap into the respective section and select VDC as shown in the photo and press the Test button.

December 14, Posted December 14, Learn how your comment data is processed. Below are the result of certain components that i have tested and i will proceed to provide more information on other components in part manul. Thanks,im happy to see y December ddy294, 2.


Repair Tips Popular Comments. The external voltage is 7 volt when there is no load but with load it will go down thus you can use it on your meter.

Review of the DY294 Digital Transistor Tester-Part 1

Standard for the price, but quite reasonable. Hi Parthiban, Thanks and wishing you Happy N June 23, December 28, Try visit ebay and type in this keywords – DY Digital Transistor.

If selling in us should include English manual. November 2, Last week i was busy with the repair course and holiday and finally today i could review the meter. Set to v to test on non polar cap that have working voltage of 1kv and above.

Hi Mircia, Good to hear about the tester. Jestine Likes 0 Dislikes 0. Hi Willie, Here is the part 2 and 3: Thanks Wimpie Likes 0 Dislikes 0. If possible get a 6 vdc 2 amp power adapter to power up this meter. Posted December 29, 4. Mircea April 24, at 7: Sean you amnual that LC bench instrument i purchased and posted on eevblog?

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