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| 7.5 digit bench DMMs comparison |
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| elecdonia:
--- Quote from: tomud on February 01, 2023, 02:22:26 pm --- --- Quote from: imo on February 01, 2023, 11:26:37 am ---Yep, do buy the second and third 6.5 digit meter off the saved money then (as people do say you want 3 meters to be sure) :D :D --- End quote --- For most, two is enough to have a dilemma which multimeter tells the truth :-DD --- End quote --- My HP 3456A is my only 6.5 digit DMM. That said, all 3 of my “every day” bench DMMs are 5.5 digit: HP 3468B and two Fluke 8800A. A handy feature of the Fluke 8800A is being able to keep it on the 200V range nearly all the time. I can measure up to 199.999V with 1mV resolution without changing the range. Another nifty Fluke 8800A feature is its extremely high input resistance on the 200mV, 2V, and 20V DC ranges. It accomplishes this with an electrometer-style input buffer amplifier which has compensation to zero out its input bias current. Impressive circuit design for the 1970’s! |
| mawyatt:
We have 3 KS34465As called Moe, Larry and Curly, and two 34401As called Laurel and Hardy. Our lone DMM6500 is called Rufus, named after our cousin. Rufus lived close by in Redneckville, Tenn, as our family tree has only one branch ;D Rufus and I graduated from High School at the same time, we were both 23 and in the Gifted Program :palm: Anyway, we often ask Moe, Larry & Curly, and/or Laurel & Hardy and even Rufus to see which gives the same answers, just to be sure we've got the right answer ^-^ Best, |
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