So I have an Extech EX420 DMM I've been using forever and it gave up the ghost after I spilled my coffee on it, oops. Oh well, just have to upgrade to a better one. Now, the EX420 seemed like it was decent. It worked well and had a nice display. It looked like assembly and design was pretty well done on the inside, not bad for a value meter. I figured I was pretty happy with that meter so it should be a good bet to stick with an Extech. I Happily paid the $179 plus expedited shipping for an EX520.
I got the EX520 in the mail today. Was excited to get a higher end meter. But that's where my excitement ended.
The first thing I noticed was a large gouge on the display and several smaller scratches. At first, I thought maybe the vendor had sent me a return, but near as I could tell, it was a new unopened unit. If not, someone had done a factory job replacing the tape on the product box and protective plastic film on the display. It looked like something that happened at the factory. Well, it was on the bottom and I could probably live with it seeing as how I'm without a DMM right now.
The next thing I noticed was the view quality of the display. When looking at the display from the bottom (like you would if it was laying flat on a table a distance above your work), all of the LCD segments are visible making it impossible to read. My old EX420 is dead, but the display still mostly works so I compared and the old meter doesn't do that. In fact, I don't recall ever using any instrument with such a limited view angle. I'm sure it's due to a mis-calibration in the contrast, but there's no way to adjust it. The issue makes the meter readable only when hung from a strap or on its stand. Again, I figured since I mostly use it on the stand, I can probably live with it.
The next problem I ran into was the temperature probe. Every time I moved the cable, it jumped around like crazy. Near as I can tell, the probe is defective and has a bad connection. My EX420 takes the same probe and there was no issue with that one. Okay, I'll just use my old probe.
Now, this is the one that is just way out there. I removed the cover to check the quality of assembly and I can't believe what I saw. There was an 0805 SMD resistor with a 0805 SMD capacitor bodged on top of it with what looked like a hand solder job. WTF?!!! Is this the kind of crap Extech feels is acceptable quality? If so, I'm not going to touch another Extech anything even with someone else's money.
I bought this thing mail order and I just hope the vendor will take it back with a refund. All they have is Extech and Fluke. My first mistake was using that vendor, second was buying an Extech. I'm going to try and get a BK Precision from tequipment.net. I just can't afford the price tag on a Fluke, but it should be possible to get a quality meter for $200, right?. Extech sure ain't it.