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| DC Electronic Load Korad KEL103 reverse polarity |
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| MrYakimovYA:
Hello! I can't find anything about subj: what will with my Korad KEL103 do if I reverse polarity at binding post? I.e. does KEL103 failed if I connect the + of my source to - of the load and - of my source to the + of the load? User Manual says nothing about it. I have super brand Fujitsu DC Electronic Load at my work. There is a back connected diode at the binding post and reversing polarity does not harm it. So what with the Cnineese instrument? |
| GigaJoe:
would it be possible to test with some resistor as a safety |
| BILLPOD:
Using the continuity feature of your DMM, see if your negative banana jack, (black one), is connected to your earth ground, (green jack) :-DMM |
| HKJ:
Generally DC load to not handle reverse polarity, there will most likely be about a diode drop in reverse voltage (From the diode in a MOSFET transistor). You can use an external high current bridge rectifier to improve that situation. |
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