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| Choosing a multimeter - decisions.... decisions.... |
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| kayasaman:
--- Quote from: J-R on November 13, 2022, 01:14:51 am ---It doesn't sound like money is a major concern, so I suspect like me you might be much happier with at least a few DMMs eventually to cover all the bases. Some of my all-time favorite DMMs are drastically different, so here is my short list of must-haves for me personally: - Brymen BM27s Pocket Multimeter (also found under other brandings): Just an amazing product given the size, has auto-check, NCV detection. https://www.welectron.com/Brymen-BM27s-Pocket-Multimeter - EEVblog 121GW: despite some minor gripes and some love/hate from forum members, this is really an impressive, feature-packed DMM. A recent hack to change the mode memory behavior is pretty cool. https://www.eevblog.com/product/121gw/ - 34401A (various generations): Still a popular choice, get an older one in good condition for stability and have it calibrated and obtain the calibration data to better know what is what. (not sure what store might be best for your country) Of course those are my favorites, but having something along the lines of each of those three is really going to be handy. --- End quote --- You're probably right there.... I mean yeah sure I am pretty poor at explaining things and my needs in general (unfortunately it is a legitimate medical condition) and had so much difficulty when trying to even choose a camera to pursue my hobby in photography. Eventually I ended up with 2 different systems, so I guess it's gona be the same for the DMM. In that there's no one size fits all option.... It seems that many people really like the Brymen BM869s: http://www.brymen.com/PD02BM860s_869s.html I have checked pricing and it's actually quite reasonable at only around $200 Actually having just checked the pocket BM27s, not only is it cute but it might even work out as a good tester once I build up my astrophotography rig which will basically be lots of 12V connections. Not sure if I'll build another Pine64 SBC yet for that purpose (as in Astro imaging controller, with custom LCD display) but even having a decent meter like the 869s will make trouble shooting so much easier Right now it's kinda hard to figure out which meter will be the best to start with.... that's a challenge in on to itself :scared: --- Quote from: J-R on November 13, 2022, 01:31:54 am ---Some quick comments on the DMMs mentioned that I have personally: - Keysight U1233A: slightly interesting product, adjustable voltage detection is pretty good, display backlight and flashlight are rough IMHO, has a major flaw in that it absolutely cannot display 600uA to 1mA DC or 600uA to 300mA AC. - Fluke 87V: good, reliable, safe, gets the job done at the end of the day, not my first choice for electronics, but could be a reasonable option for electrical stuff and does work for electronics if needed. You will want to get a current clamp of some sort, either a stand-alone clamp that can connect to your DMMs or a clamp meter. Some to check out: - Amprobe AMP-25: compact clamp meter, no leads - Amprobe AMP-330: bigger, fully-featured clamp/DMM - Brymen BM-037: small, fully functional clamp/DMM - Fluke 771: get this used, awesome for very low-current DC --- End quote --- Hmm.... you might have a good point here too... In the main DIN panel that I am using for my switchboard, I'm actually using Carlo Gavazzi energy meters per circuit, they are the single module version of this one: https://www.gavazzionline.com/pdf/EM112DS.pdf I'm then logging that information via ModBUS protocol to again a Carlo data logger then bring up the readings in my building control software. |
| Martin72:
Concerning the last post of the OP, 4.5 digits wasn´t really interesting... ;) At work we got for "general purposes" the fluke 115/117 meter. It´s robust, it got the known fluke quality and I think, it´s more than enough to fulfil his needs. Easy to use... Not so expensive... Could be the right choice. |
| nctnico:
The advantage of having 4.5 digits is that you can still read mA fluctuations using the 10A current range. And since the 10A range typically is unfused (or has a >10 fuse), you don't run the risk of blowing a fuse unlike on the lower current ranges. |
| kayasaman:
--- Quote from: Martin72 on November 13, 2022, 01:47:07 am ---Concerning the last post of the OP, 4.5 digits wasn´t really interesting... ;) At work we got for "general purposes" the fluke 115/117 meter. It´s robust, it got the known fluke quality and I think, it´s more than enough to fulfil his needs. Easy to use... Not so expensive... Could be the right choice. --- End quote --- Just going through the Fluke 117 specs now: https://www.fluke.com/en-gb/product/electrical-testing/digital-multimeters/fluke-117 Actually this might work out well? It has an 11A fuse and 400 hour battery life. It also uses a 9V battery which is the same as my Greenlee network test equipment so that's a little bonus. @Martin72 from the images this little guy looks quite compact. Is it actually on the small side or are the pictures deceiving? If it is small it may be a good thing from a practicality point of view too..... If everyone wants to have a nice giggle, I dug these images out from my storage archives. You can see what stuff I was playing around with way back when haha :) |
| BillyO:
Also look at the Brymen BM78X series (also available in the blue EEVblog version), I think it hits all your requirements. |
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