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a (mostly) invisible difference between my civilian & military Fluke gear

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bdunham7:

--- Quote from: daisizhou on October 31, 2022, 03:34:00 am ---I've been using this model as well, the point is that the military internals are RMS voltages and civilians are average.

--- End quote ---

Not so simple.  The ones that say 'Fluke 27' are average-responding and the ones that say 'Fluke 27/FM' on the front are RMS-responding.  The appearance of 'FM' or any other letters on the back sticker have no bearing on the issue.  There are many other sub-variations as well, but I believe that at some point Fluke stopped selling them to all but military customers and those later ones were not RMS responding types.  The one I have is non-RMS-responding, CAT-III with the grey face, USMC new surplus and manufactured in 2006.  I have not seen any newer than that. 

arcitech:

--- Quote from: bdunham7 on October 31, 2022, 03:42:37 am ---
--- Quote from: daisizhou on October 31, 2022, 03:34:00 am ---I've been using this model as well, the point is that the military internals are RMS voltages and civilians are average.

--- End quote ---

Not so simple.  The ones that say 'Fluke 27' are average-responding and the ones that say 'Fluke 27/FM' on the front are RMS-responding.  The appearance of 'FM' or any other letters on the back sticker have no bearing on the issue.  There are many other sub-variations as well, but I believe that at some point Fluke stopped selling them to all but military customers and those later ones were not RMS responding types.  The one I have is non-RMS-responding, CAT-III with the grey face, USMC new surplus and manufactured in 2006.  I have not seen any newer than that.

--- End quote ---

This is correct. The latest 27/FM variants, both colored like yours and like mine, are more in line with the 27II in that they’re average responding, which is presumably why the copy along the display bezel lacks the /FM designation, likely for differentiation at a glance.

arcitech:

--- Quote from: daisizhou on October 31, 2022, 03:34:00 am ---I've been using this model as well, the point is that the military internals are RMS voltages and civilians are average.

--- End quote ---

I thought the point was that mine looks like a civilian variant, which it does. So on that point, which it seems was not at all the point, you’d be correct. I don’t mean to sound like an asshat, but I suppose I do.

srb1954:

--- Quote from: arcitech on October 31, 2022, 12:53:51 am ---
--- Quote from: daisizhou on October 31, 2022, 12:51:24 am ---Your FLUKE 27 looks like a civilian version, the military one should be 27/FM, and it's brown

--- End quote ---

The old ones are gray. The newer ones were not. The FM is indicated on the label affixed to the rear, and it came in a standard mil case of that vintage with the RF and HV probes.

Or I’m just wrong.

--- End quote ---
My 27/FM is labelled as "FLUKE 27/FM Multimeter" in the space above the display.

There is another label on the back with a whole lot of military part numbers and so on but no indication of the actual Fluke model number.

arcitech:
I suppose I now have a reason to find a decomm’d Agilent/Keysight handheld, and a civilian model to compare with. I’d guess that’s one way to see if this is consistent across brands.

The twinkle in my eye for the HP/Agilent gear really has vanished ever since [wow that list got super long so it’s below the fold if you’re curious]. I sort of gag at the notion of spending money on their stuff now, even on the second-hand market.



they decided to refuse my (domestic) business access to the parts store simply because its website is about as minimally present as is possible (rather common in security — an industry they claim to serve but clearly don’t grok either the industry nor the concept of the word), and for some reason continue to do so despite being pointed to the gov site that verifies my business; they terribly botched a GDPR request that somehow subscribed me to more spam that read “Hi GDPR,”; they  never cared about let alone remedied my access to loads of (seemingly their own?) assets in the asset management console, then at one point spammed me about having it all — the gear that I’ve got nought to do with — calibrated. That garnered an email letting them know once again about how none of these things are mine, to web support. And somehow support interpreted that as an indication that they should have someone in the service department email me a quote to have all the gear that’s not mine calibrated.

My lab was built around a Keithley, four HPAK meters and four HPAK power supplies earlier this year, and this whole ordeal has resulted in a pair of 8846As, another two 8842As, and an HMP4040 making their way into the lab so I don’t get bummed when using the HPAK kit and wishing the company could just manage to have a quarter the integrity and substance it used to, because I’m a delicate fucking flower who sobs over these things, especially having been born a bit too late after everything — not just this one faceless corporation — has apparently turned to shit.

A cheery morning indeed lol.

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