There are protective diodes VD1, VD2 on the UNI 11e tester board. Help them identify if anyone knows?
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| Multimeter UNI 11e https://www.dampfradioforum.de/viewtopic.php?f=70&t=29191 |
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| Autor: | onlyson [ So Apr 07, 2019 9:17 ] |
| Betreff des Beitrags: | Multimeter UNI 11e |
There are protective diodes VD1, VD2 on the UNI 11e tester board. Help them identify if anyone knows?
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| Autor: | GeorgK [ So Apr 07, 2019 10:49 ] |
| Betreff des Beitrags: | Re: Multimeter UNI 11e |
Maybe we will see more 2 x SA412 S. here: PAGE 20 http://www.blunk-electronic.de//datashe ... NI_12e.pdf https://www.bilder-upload.eu/bild-1e954 ... 9.jpg.html |
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| Autor: | onlyson [ So Apr 07, 2019 14:35 ] |
| Betreff des Beitrags: | Re: Multimeter UNI 11e |
Thank you very much, i'm just happy. The device now is not working. I unsolder diodes and check. |
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| Autor: | GeorgK [ Mo Apr 08, 2019 16:25 ] |
| Betreff des Beitrags: | Re: Multimeter UNI 11e |
I wish you success 
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| Autor: | onlyson [ So Jul 28, 2019 8:46 ] |
| Betreff des Beitrags: | Re: Multimeter UNI 11e |
deleted |
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| Autor: | onlyson [ So Jul 28, 2019 15:49 ] |
| Betreff des Beitrags: | Re: Multimeter UNI 11e |
I do not even know what to think. Disassembled the device to get to the glass of measuring head, it was necessary to strengthen it. The device was fully operational. When assembled back, when you press the power button, the arrow head immediately deviates to the right until it stops. On the remaining buttons and the rotary switch does not respond. Can anyone give advice on what to watch or come across a similar one? |
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| Autor: | Radio Alex [ Di Jul 30, 2019 12:29 ] |
| Betreff des Beitrags: | Re: Multimeter UNI 11e |
Hello, Did you checked the contacts on the device? If not do that and clean them with some contact cleaner. I have the same multimeter, on mine the protection relay was broken... |
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