| Products > Test Equipment |
| Review and tear-down of UNI-T UT612 LCR meter |
| << < (13/21) > >> |
| Wytnucls:
I'm running a Sony Vaio laptop with MS windows 7. Had to reinstall the UT612 software after I had to reformat the hard drive. This is what I did: Install the software from the mini disc. Remove the USB mouse Connect the USB cable to the meter then the laptop. Switch the meter on for USB recognition. Start the software Connect any DUT to the meter Press USB on the meter and 'connection' button on the logging software. Measurements should appear and start filling the database in the software. If it still doesn't work, I suspect a conflict on the laptop. I'm not sure how to fix that. I have the same problem as yours with the UT61E logging software. My laptop doesn't see the meter. It is still unresolved. You could try contacting Uni-t, but I doubt they will be able to help you. |
| torr032:
Can this meter be used for testing polyester capacitors ESR? |
| Wytnucls:
Yes, but the values will be wildly different depending on test frequency. Polyester capacitor datasheets usually quote a maximum DF (dissipation factor) at a specific frequency. For instance, a new MKP15 220nF should have a DF below 0.003 at 10kHz, to be in tolerance. The batch I have all measure 0.001. ESR for the same cap varies between 0.1 Ohm and 10 Ohm, depending on test frequency. |
| torr032:
Nevermind I bought DE-5000 with both test leads. Still waiting for him to arrive, seamed like a much better value then this uni-t. |
| Wytnucls:
What I said earlier applies to any LCR meter, not just the 612. Prices for the DE-5000 have come down recently, especially from sellers in Japan. If you buy the whole kit though, the values aren't very different. The main advantage of the DE 5000 is its proper 4-wire resistance measurement capability. |
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