On 10 Jul 2017, at 05:56, Bruce Layne wrote: > First, I'd try replacing the battery in your Radio Shack DMM if you haven't > already. But I'd immediately start looking for a replacement. I'm not a > test equipment snob, but you need to trust your test equipment. If you > aren't sure if you're testing your circuit or testing your meter, the job > becomes much more difficult. Even as a larval geek in high school in the mid > 1970s, I had a Beckman DMM and wouldn't use a Micronta meter if someone gave > it to me. > > I think the best value in a quality DMM is a Chinese Fluke.
I have no experience of the modern Chinese version, but love my old Fluke 11. It is quite basic, in terms of its functions, but robust as a brick. > Fluke has a line of meters that are manufactured in China and ostensibly > intended for the Chinese market. The owner's manuals are in Chinese (it's a > digital multimeter and we pretty much know how to use those, although there > are English versions of the manual online) and the warranty isn't valid in > the US, but it's genuine Fluke quality at half the price or less. Here's an > example at the lower end, but they have larger and more full featured meters > in their Chinese line as well. > > http://www.ebay.com/itm/GENUINE-FLUKE-101-portable-handheld-digital-multimeter-F101-mini-meter-US-SELLER-/182497154039 > (if there's a problem with the link, search eBay for 182497154039) > > When I bought my Chinese Fluke meter for my toolbox, they could only be > purchased from Chinese sellers, but now they're available from US sellers so > you aren't waiting a month for the slow boat from China. > > AvE had a couple of videos extolling the virtues and value of the Chinese > Fluke meters. > > https://www.youtube.com/watch?v=XDm5BfRrAsg > > https://www.youtube.com/watch?v=rJm9iCha-jM > > Of course, wherever there's a market, some Asian ripoffs will occur, so do > try to get reasonable assurances, generally via seller feedback, that you're > getting a genuine Chinese Fluke instead of a cheap Chinese copy of a genuine > Chinese Fluke. > I have made a couple of Chinese kits for meters. Great fun, especially since they come with no instructions even for assembly. Kind of a Chinese puzzle. Accuracy is reasonable on the basic functions. And I use separate home-built meters for capacitance and inductance. Marcus > > On 07/10/2017 12:07 AM, David Berndt wrote: >> Apologies, this might be slightly OT, but I imagine we all use a Multi-meter >> a few times a month in our EMC related work. >> >> It seems my Micronta 22-174b has given up on life, or has suffered a brain >> injury at the very least. After not using the meter for about 3 weeks I >> dusted it off and was double checking some wiring for a 24v servo brake, >> everything went fine, there was no funny event, no smoke, no fire, not even >> any brimstone, but the meter didn't read 24v on the 24v line, more like >> 19v, and I notice the ohm mode reads 32ohms all the time, even when it >> should be displaying open circuit. >> >> Nothing internally seems amiss, no obviously blown traces, componenents, no >> burnt smell. Board says 1992, I guess 25 years is enough, maybe it's time to >> consider a new unit. >> >> Soooo... Anyone have any recommendations for a hobbyist level meter. >> >> >> Dave > > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
