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| Tenma 72 7290 ac adapter or battery ? |
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| Dajaab:
Hi everyone, I just received a nice combo Tenma 72 7290, everything seems ok except the multimeter. The multimeter works with an external power supply or a battery ? It seems to be 9v Does anyone has the same Tenma ? Or the schematic or manual ? Thanks in advance for your help |
| ledtester:
It is possible this thread is relevant: https://www.eevblog.com/forum/reviews/metex-universal-combined-test-instrument-systemsstations-a-look-inside/ In particular starting at this post: https://www.eevblog.com/forum/reviews/metex-universal-combined-test-instrument-systemsstations-a-look-inside/msg121973/#msg121973 Also possibly this post: https://www.eevblog.com/forum/reviews/metex-universal-combined-test-instrument-systemsstations-a-look-inside/msg928481/#msg928481 |
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