I can put in another vote of confidence for this one. I have one from Portugal (because I didn’t know about the this-side-of-the-pond source) and it works as advertised. - Mark
On Sep 30, 2015, at 12:54 PM, John Robertson <j...@flippers.com> wrote: > On 09/30/2015 7:14 AM, Jay West wrote: >> John wrote.... >> ---- >> That is an authorized Bob Parker variation of his original Dick Smith ESR >> meter kit. On this side of the pond they were made by Anatek until the owner >> was killed in an accident, then the series (now called the Blue ESR) is made >> by Alltronics and sold by dealers such as I. These all use Bob's licensed >> code, just different box and PCB layouts. >> >> If you want a Blue ESR I sell them on my web site's catalogue section, or >> you can order the EVB from Portugal if you are on the east side of the pond. >> >> I've been selling variations (evolution by intelligent design) of Bob's ESR >> meter kit since 1999! >> ---- >> That is great info, thanks! >> >> Question - I could be mistaken, but I think someone mentioned that these >> were not good for testing caps that had a higher operating voltage. Is that >> correct? My understanding was that the testing method used by this ESR meter >> was valid for most all the large electrolytics...? >> >> J >> >> > > As for testing large capacitors, about the highest value that gives useful > readings is around 10,000ufd. Larger than that and the ESR is too close to > zero ohms unless the cap is really bad... > > One other unmentioned (I keep forgetting to add it to the list) benefit to > the meter is it does read down to 0.01 ohms which can be handy when looking > for shorts. > > Blue ESR Kit Manual: > > https://www.flippers.com/pdfs/BlueESR.pdf > > John :-#)# > > -- > John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9 > Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, VideoGames) > www.flippers.com > "Old pinballers never die, they just flip out" >