Products > Test Equipment

Probe Master test leads

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kcs:

--- Quote from: Corporate666 on September 08, 2014, 06:11:40 pm ---You wrote in your initial message "Right Angle Safety Standard Size Banana Plug"

then you wrote after that

"need to select Standard Size Banana Plugs".

There are multiple parts listed as "standard size banana plugs".   If you fail to be clear in your message, then the fault of the ambiguity is yours.

--- End quote ---
Yes, that is exactly what I did. You fail to see the difference between "Right Angle Safety Standard Size Banana Plug" and "Standard Size Banana Plugs" even after I emphasize in bold that Safety is the key word here. I have used the exact naming Probe Master uses (see the attached picture).

My suggestion was to select non-Safety plugs (eg 8010S over 8017S) even if Probe Master cross reference table suggests the opposite. 


--- Quote from: Corporate666 on September 08, 2014, 06:11:40 pm ---You stated "reasonable force".  Are you able to get the leads in or not?

--- End quote ---
As I have said before, you have failed to read my messages.


--- Quote from: Corporate666 on September 08, 2014, 06:11:40 pm ---I ordered several sets and they work in all my meters, including the 87V.

--- End quote ---
Be more specific: what are the part numbers of your test leads, what do you mean by "work".
This also "works", but...



--- Quote from: Corporate666 on September 08, 2014, 06:11:40 pm ---What did Probe Master say?

--- End quote ---
They said I am the first customer to complain about this particular meter.



--- Quote from: HighVoltage on September 08, 2014, 06:54:12 pm ---Since I needed the test leads, I just removed the plastic tip from the 4 mm banana plug buy
pulling it out and then the connection worked.

--- End quote ---
Could you share a photo how does it look like after your modification?


--- Quote from: HighVoltage on September 08, 2014, 06:54:12 pm ---One would expect that these tolerances are well known to the manufacturer of high end cables.

--- End quote ---
Yeah, I was expecting that to be the case as well.

Anthocyanina:
I recently got a fluke 117, and the leads it came with are super stiff. I wanted to use my probe master leads with it, but they also stick out. they do feel secure in the sockets, but from how deep they go, it seems like they will just barely make contact with the top of the metal part of the socket and are tightly held by the plastic part. My leads are also the 8017s, also marked as fluke compatible. beyond this point, no amount of force can get them further in. and as you see from the black lead, this is the pair i cut that bit of plastic to fit in my aneng 870. Has anyone cut off the safety shroud entirely? I'd like to see them without it to compare with the ones that come unshrouded that do fit fluke meters.

J-R:
I also have these identical Probe Masters that I purchased recently, and they fit in all my Fluke/Brymen/HP etc. DMMs.  I don't have the Fluke 117 however.

I specifically tested the 87V per the original post and do find that there is a slight catch under certain conditions that makes it feel like they don't want to go in, especially with the current jack.  But if you wiggle them a little, they will continue to go in all the way.  Perhaps this is the issue with the 117?

amc184:
Firstly, the Probe Master website lists models 8017S and 8043S as being compatible with a Fluke 87, and it looks like you chose one of those.  There's no issue of you going against any recommendations.

I also have a set of Probe Master leads with these connectors at the meter end, and this made me have a look at them.  I've got both Fluke 115 and 27 multimeters, and use both Probe Master and Pomona leads with them.  I found that for both meters some of the shroud is still visible when they're fully engaged, but the fit is secure.

I took some measurements, and here's what I saw for a Fluke 115:
Probe modelShroud exposed, start of resistanceShroud exposed, fully engagedProbe Master 815212mm6mmPomona 5519A11mm3mm
For a Fluke 27:
Probe modelShroud exposed, start of resistanceShroud exposed, fully engagedProbe Master 81529mm3mmPomona 5519A7mm2mm
What are the measurements for the 87V?  If you're seeing 5 to 7mm of further insertion after first resistance you're probably okay.

There's isn't much shroud length left over when these leads are fully engaged in the Fluke 27, and it's likely there are other meters where nothing is left at all.  In both the 117 and the 27 the metal part of the socket is recessed quite far in from the front face of the meter, but it seems like they're not nearly as recessed in the 87.  Looking at how little shroud is visible for the other leads you've pictured, I wonder if they'd even work for a Fluke 27.

What I think is happening here is that the safety 4mm sockets on multimeters aren't as standard as you'd really expect.  Probe Master, Pomona and other manufacturers of test leads are trying to provide a connector that is as compatible with as many meters as possible, so they use a long shroud length.

Anthocyanina:
Thank you, the 8017s are also listed as compatible with the 117. The contact being good isn't the only important thing, i think also how far they protrude from the meter is important for mechanical reasons, the further out they go, the more leverage they have against the socket and can be more easily damaged if it falls and the lead connector is hit from the side. But it seems that's indeed how they were designed, very long! so nothing to do about it!  :scared:

Mine also protrude about 6mm from the fluke socket when fully pressed in. I measured with a toothpick and marked with a pen, and the depth of the socket is just about 6mm shorter than how far i can push it into the test lead connector to the tip of the banana. Wonder why they make those bananas so long, and why the unshrouded ones do go in all the way, makes me think they are not using the exact same banana or something.

how deep is the metal bit of the socket of the fluke 87? i'll measure the depth of the 117 precisely tomorrow.

Thank you!

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