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| Vichy VC99 Multimeter Review and Teardown |
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| Salas:
--- Quote from: Rick on October 28, 2012, 07:51:16 pm ---electronupdate's video shows very clearly that it is more accurate than the fluke 17 it is compared to. Watch the video again pls. --- End quote --- The 17B can be tweaked by doing its trimmers to significantly better accuracy. I have done it and I recommend it. 17B's thing is construction quality and meeting input overload spec. UNIT-T UT61E combines performance and a fair build, a natural choice for say $20-25 more than the 99. Vichy is slow, 61E is very fast. |
| Simon:
--- Quote from: Salas on October 30, 2012, 07:12:56 pm --- The 17B can be tweaked by doing its trimmers to significantly better accuracy. --- End quote --- Wrong! you are altering it's interpretation of the measurement in the particular circumstances you are in. Change the room temperature drastically and it will be off again. The idea of a guaranteed accuracy is that you know that within a stated varied range of temperature, humidity and whatever else the manufacturer cares to stipulate you are guaranteed a result to that level of accuracy. |
| Salas:
Yeah, right. I did it at a month or more ago 30C and today is 20C. The pic is now. |
| Simon:
and how do you know the exact voltage you measured to at least one order of magnitude better than the meter does ? |
| Salas:
It just follows my other 2 meters better in all cases. One is MS8218 which is good for accuracy. See Horton's test. No cal claims, works better practically, that's all. Shows nearer to my 61E mostly. |
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