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Review and tear-down of UNI-T UT612 LCR meter
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uprightsquire:
Perhaps video?
Wytnucls:

--- Quote from: iloveelectronics on March 07, 2013, 02:14:11 am ---Do you have any issue with the viewing angle of your UT612? I bought one a while ago but the LCD is terrible. I can barely see anything if I look directly at it. It has to be viewed from like a 30 or 45 degree angle to see things clearer.

--- End quote ---
Hi Franki,
Yes, I mention it in the review somewhere. Mine is possibly not as bad as yours. The CEM DT-9935 LCR meter has the same quirk. I actually took my CEM back to the shop for a replacement, but the new one was just the same. So, I now call it a feature.  8)
Looking at it straight on, the digits are slightly fuzzy and dimmer. The screen becomes sharp, from about 10-20 degrees from the vertical. It's not really an issue, once you get used to it. Especially, if one uses the meter lying flat on the bench.
The backlight makes the effect a little worse.
I'll try to shoot a video to capture the strange behaviour.
Hydrawerk:
Thank you for the review. Unfortunately, this UT612 is IMHO not better than my DT-9935... It has the same disadvantages. No 4-wire measurement and no input protection. It must have a slightly different chipset, if it works faster... In Czech republic you can buy the dt-9935 quite cheap for 75 € (Euro). http://www.gme.cz/digitalni-multimetry-s-funkci-rlc/multifunkcni-rlc-metr-cem-dt-9935-p722-436/ The UT612 is always much more expensive, at least in Czech Republic.
If I wanted a better quality LCR meter, I would buy the Mastech MS5308. It has AFAIK better true 4-wire probes.

https://www.eevblog.com/forum/testgear/mastech-ms5308-lcr-meter-with-esr-measurement-on-discount-at-the-moment/
Wytnucls:
None of the LCR meters based on the Cyrustek chipset have input protection, not even the IET 5000. Some, like the CEM can handle a maximum of 30 volts on the input jacks.
The UNI-T has a small advantage over the CEM for measurement, providing 4 wires to the input jacks.
If you need genuine 4 wire measurement with Kelvin clips, indeed rather buy the Mastech or the IET 5000.
The main advantage of the UNI-T meter is the convenience of the mini-USB connection for power and communication. The CEM doesn't have external power or datalogging.
I haven't seen the IET logging software yet, but the UNI-T has a more advanced logging program than the Mastech.
Hydrawerk:
Well, the DT-9935 also has four jacks, but it is not much useful. The absence of external power supply is a big disadvantage...
Anyway, I don't know how many people actually need the datalogger via USB feature.
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