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SMT probes comparison - Probe Master 8151 Vs Pomona 6341/ TL910 inc X-Ray images

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nanofrog:

--- Quote from: Fraser on September 02, 2016, 08:40:41 pm ---Thanks nanofrog.

I was given approx 20 of the probe tool rolls as the end user repackaged the original comprehensive pride kit contents in a Pelicase along with the test equipment. At the time I did not have much use for them but over the years they have been perfect for keeping specialist cables and connectors tidy.

I am pleased that you found this thread of interest. Sometimes I generate a thread and wonder if it is just me that is interested in the content :)

Fraser

--- End quote ---
You're welcome.  :)

I'm sure it was a fair bit of work, and given hobbyist budgets, I find information like this very valuable as not to waste funds on crap. Expensive or otherwise, and regardless of brand or COO.

You got lucky on all of those pouches.  ;D

I'm using 3 ring binder pencil pouches w/ a clear window for my probes. And the ability to use colors to help ID what I'm after is great, such as matching the color of the scope channel and pouch.  >:D Cheap too at ~$1.00 each locally, and they can hang off of pegboard or be tossed in a big binder to try and keep things a bit more tidy.

Fraser:
Those look excellent :)

bitseeker:

--- Quote from: Fraser on September 02, 2016, 08:40:41 pm ---I am pleased that you found this thread of interest. Sometimes I generate a thread and wonder if it is just me that is interested in the content :)

--- End quote ---

Probably just a case of folks being intrigued, but not having anything to add to the conversation.

I have some of the ProbeMaster 8000 probes for my DMMs and like them a lot. The retractable banana plugs are really convenient when you have equipment with different jacks. The tips are really sharp too, as my fingers will attest to from a couple of accidental stabbings.

So, what makes these specifically for SMT use? Longer/narrower tips?

Fraser:
SMT multiimeter probes often need to be very small diameter towards the tip and have a very fine pint on them. This is to permit access to the end of a SMT component without shorting across to an adjacent component. When recently working on a closely packed SMT PCB, my standard Fluke probe tips were huge in comparison to the 0402 parts I was probing. Also, when probing closely spaced IC pins you want the probe to definitely contact the required pin, and no others. You also want it to stay put on the pin. A slip causing a short to another pin can be fatal to the IC in some cases.

SMT probes are fragile beasts as well. The need for a thin needle sharp tip makes them vulnerable to drop damage or just heavy handed use. The ability to change the tip easily is therefore important. It also provides the ability to choose different tip shapes for different scenarios. My probes came with a selection of tip profiles, including multi point types that cut into solder and hold fast.

Any needle pointed probe may be used for SMD work. I have used 'back probes' that are common in the automotive diagnostics industry. However the probes I have detailed in this thread are designed for the task and for excellent performance, with built in maintainability.

Fraser

eKretz:
Very nice! That's some very informative imaging, thanks! I have the Pomona set, but I'm not super happy with their construction/feel. They also read fairly high resistance compared to what I expected unless they are kept under moderate pressure with the DUT connections. They look considerably more flimsy in your XRay shots than the Probemasters internally. Thanks for sharing!

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