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Do they sell a gauge to measure Coaxial Power Connectors?
Do they sell a gauge to measure Coaxial Power Connectors?
AKA "barrel connectors". I can get close using a ruler on the outer part of the plug, but those pins inside are near impossible to measure. There are so many variations of them too. Someone must have some sort of gauge to measure them.... |
Do they sell a gauge to measure Coaxial Power Connectors?
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Do they sell a gauge to measure Coaxial Power Connectors?
On Saturday, 24 February 2018 08:25:21 UTC, Mike Coon wrote:
In article , says... Do they sell a gauge to measure Coaxial Power Connectors? AKA "barrel connectors". I can get close using a ruler on the outer part of the plug, but those pins inside are near impossible to measure. There are so many variations of them too. Someone must have some sort of gauge to measure them.... Sort of. I either use one of a set of matching sockets or small lengths of fine tubing. Sockets are easier to measure using fine twist drills which are typically sold in sets... Mike. outer dia: micrometer, drill bits, nails inner dia: drill bits, small nails/pins, NT |
Do they sell a gauge to measure Coaxial Power Connectors?
On Friday, February 23, 2018 at 10:52:49 PM UTC-8, wrote:
Do they sell a gauge to measure Coaxial Power Connectors? AKA "barrel connectors". Someone must have some sort of gauge to measure them.... None that I've found. The parts that are hard to measure, I generally just give up and buy a few score of each nearby size. At a PPOE, we kept notes on 'hits' when an important failure-prone connector matched something we could order (didn't happen a lot). If it were time-critical (and I couldn't find a junker adapter to clip a pigtail from), I've got drill bit shanks down to #60 (~1mm), and modeling clay, and a measuring microscope. The thing is, even if I DID measure accurately, the 'nominal' sizes of commercially available mates would still be a mystery. So, it's easier to keep a divider-box of a dozen sizes of the males/females, with annotation as to what to reorder. |
Do they sell a gauge to measure Coaxial Power Connectors?
wrote:
------------------------ Do they sell a gauge to measure Coaxial Power Connectors? AKA "barrel connectors". I can get close using a ruler on the outer part of the plug, but those pins inside are near impossible to measure. There are so many variations of them too. Someone must have some sort of gauge to measure them.... ** These measure ODs and IDs. https://www.aliexpress.com/item/8-0-...233906118.html ..... Phil |
Do they sell a gauge to measure Coaxial Power Connectors?
On Saturday, 24 February 2018 23:03:26 UTC, Phil Allison wrote:
wrote: ------------------------ Do they sell a gauge to measure Coaxial Power Connectors? AKA "barrel connectors". I can get close using a ruler on the outer part of the plug, but those pins inside are near impossible to measure. There are so many variations of them too. Someone must have some sort of gauge to measure them.... ** These measure ODs and IDs. https://www.aliexpress.com/item/8-0-...233906118.html but are very inaccurate when measuring small diameter internal holes such as barrel connectors. Try it & you'll see why. NT |
Do they sell a gauge to measure Coaxial Power Connectors?
On 2/24/18 5:03 PM, Phil Allison wrote:
** These measure ODs and IDs. https://www.aliexpress.com/item/8-0-...233906118.html .... Phil Those are nice. In addition to the standard vernier calipers, I have the dial type. So much easier to read. They are also available now with LCD displays. -- "I am a river to my people." Jeff-1.0 WA6FWi http:foxsmercantile.com |
Do they sell a gauge to measure Coaxial Power Connectors?
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Do they sell a gauge to measure Coaxial Power Connectors?
Nick Cat wrote:
---------------- Do they sell a gauge to measure Coaxial Power Connectors? AKA "barrel connectors". I can get close using a ruler on the outer part of the plug, but those pins inside are near impossible to measure. There are so many variations of them too. Someone must have some sort of gauge to measure them.... ** These measure ODs and IDs. https://www.aliexpress.com/item/8-0-...233906118.html but are very inaccurate when measuring small diameter internal holes such as barrel connectors. Try it & you'll see why. ** For accuracy, I use small & PCB drills as feeler gauges. Which had been posted here already.... ..... Phil |
Do they sell a gauge to measure Coaxial Power Connectors?
On Saturday, February 24, 2018 at 1:52:49 AM UTC-5, wrote:
Do they sell a gauge to measure Coaxial Power Connectors? AKA "barrel connectors". I can get close using a ruler on the outer part of the plug, but those pins inside are near impossible to measure. There are so many variations of them too. Someone must have some sort of gauge to measure them.... I don't know how you'd measure after it went through a crimp-tool. |
Do they sell a gauge to measure Coaxial Power Connectors?
wrote:
---------------------------- wrote: Do they sell a gauge to measure Coaxial Power Connectors? AKA "barrel connectors". I can get close using a ruler on the outer part of the plug, but those pins inside are near impossible to measure. There are so many variations of them too. Someone must have some sort of gauge to measure them.... I don't know how you'd measure after it went through a crimp-tool. ** Huh ?? https://en.wikipedia.org/wiki/Coaxial_power_connector I've always called them "DC plugs" so folk know what I am talking about. ..... Phil |
Do they sell a gauge to measure Coaxial Power Connectors?
On Sat, 24 Feb 2018 00:50:53 -0600, wrote:
Do they sell a gauge to measure Coaxial Power Connectors? AKA "barrel connectors". I can get close using a ruler on the outer part of the plug, but those pins inside are near impossible to measure. There are so many variations of them too. Someone must have some sort of gauge to measure them.... Measure the OD with vernier, dial, or digital calipers. For the ID, find a matching plug, and measure the OD of the mating center pin. That's also the ID of the receptacle. If the receptacle has a center pin, just measure its OD with the calipers. Round off your measurements to agree with a list of typical connector sizes. https://en.wikipedia.org/wiki/Coaxial_power_connector#Listing_of_DC_coaxial_conn ectors If your measurements do not match anything in the tables, you did something wrong. Try again. Drivel: I have to deal with a rediculous variety of laptop charger connectors: http://www.ezbuybatteries.com/images/ac-adapter-connector.jpg Standards are a good thing. Every company should have some. -- Jeff Liebermann 150 Felker St #D http://www.LearnByDestroying.com Santa Cruz CA 95060 http://802.11junk.com Skype: JeffLiebermann AE6KS 831-336-2558 |
Do they sell a gauge to measure Coaxial Power Connectors?
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Do they sell a gauge to measure Coaxial Power Connectors?
On Monday, 26 February 2018 14:00:58 UTC, Phil Hobbs wrote:
On 02/24/2018 03:44 AM, tabbypurr wrote: On Saturday, 24 February 2018 08:25:21 UTC, Mike Coon wrote: In article , says... Do they sell a gauge to measure Coaxial Power Connectors? AKA "barrel connectors". I can get close using a ruler on the outer part of the plug, but those pins inside are near impossible to measure. There are so many variations of them too. Someone must have some sort of gauge to measure them.... Sort of. I either use one of a set of matching sockets or small lengths of fine tubing. Sockets are easier to measure using fine twist drills which are typically sold in sets... Mike. outer dia: micrometer, drill bits, nails inner dia: drill bits, small nails/pins, NT Sharp calipers are okay for both. Cheers Phil Hobbs calipers are good if the points are relatively sharp and they line up, neither was the case for the device linked to, nor is for most other cheapie vernier calipers. NT |
Do they sell a gauge to measure Coaxial Power Connectors?
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Do they sell a gauge to measure Coaxial Power Connectors?
On Monday, 26 February 2018 20:45:51 UTC, Jeffrey Angus wrote:
On 2/26/18 1:21 PM, tabbypurr wrote: calipers are good if the points are relatively sharp and they line up, neither was the case for the device linked to, nor is for most other cheapie vernier calipers. Sorry to hear you can't tell the difference between crap tools and ones that work. Or that you can't even get good tools to work. sorry to hear you like to be childish |
Do they sell a gauge to measure Coaxial Power Connectors?
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Do they sell a gauge to measure Coaxial Power Connectors?
On 02/26/2018 02:21 PM, wrote:
On Monday, 26 February 2018 14:00:58 UTC, Phil Hobbs wrote: On 02/24/2018 03:44 AM, tabbypurr wrote: On Saturday, 24 February 2018 08:25:21 UTC, Mike Coon wrote: In article , says... Do they sell a gauge to measure Coaxial Power Connectors? AKA "barrel connectors". I can get close using a ruler on the outer part of the plug, but those pins inside are near impossible to measure. There are so many variations of them too. Someone must have some sort of gauge to measure them.... Sort of. I either use one of a set of matching sockets or small lengths of fine tubing. Sockets are easier to measure using fine twist drills which are typically sold in sets... Mike. outer dia: micrometer, drill bits, nails inner dia: drill bits, small nails/pins, NT Sharp calipers are okay for both. Cheers Phil Hobbs calipers are good if the points are relatively sharp and they line up, neither was the case for the device linked to, nor is for most other cheapie vernier calipers. I have a couple of Mitutoyo ones that work great and weren't expensive. Chinese ones are good for scribing circles on copper or aluminum and other such jobs that might hurt the good Japanese ones. ;) Cheers Phil Hobbs -- Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC / Hobbs ElectroOptics Optics, Electro-optics, Photonics, Analog Electronics Briarcliff Manor NY 10510 http://electrooptical.net http://hobbs-eo.com |
Do they sell a gauge to measure Coaxial Power Connectors?
On 2/26/18 7:06 PM, Phil Hobbs wrote:
I have a couple of Mitutoyo ones that work great and weren't expensive. Chinese ones are good for scribing circles on copper or aluminum and other such jobs that might hurt the good Japanese ones. ;) Cheers Phil Hobbs My vernier calipers are Mitutoyo. My Dial calipers are Starret. I have a couple of the absolutey cheap plastic ones. Those are for telling the difference between English and Metric hardware in the "oh boy" bucket. -- "I am a river to my people." Jeff-1.0 WA6FWi http:foxsmercantile.com |
Do they sell a gauge to measure Coaxial Power Connectors?
On Sunday, February 25, 2018 at 11:26:11 PM UTC-5, Phil Allison wrote:
wrote: ---------------------------- wrote: Do they sell a gauge to measure Coaxial Power Connectors? AKA "barrel connectors". I can get close using a ruler on the outer part of the plug, but those pins inside are near impossible to measure. There are so many variations of them too. Someone must have some sort of gauge to measure them.... I don't know how you'd measure after it went through a crimp-tool. ** Huh ?? When you hook a coax connector to coax cable, you crimp it with a crimping device so it won't fall off of the coax cable. (at least I did) As with every connector, if you crimp it at one end, its inevitably going to change measurement at the other end (though probably not significantly). |
Do they sell a gauge to measure Coaxial Power Connectors?
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Do they sell a gauge to measure Coaxial Power Connectors?
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Do they sell a gauge to measure Coaxial Power Connectors?
On Monday, February 26, 2018 at 11:21:42 PM UTC-5, Ralph Mowery wrote:
In article , says... On Sunday, February 25, 2018 at 11:26:11 PM UTC-5, Phil Allison wrote: wrote: ---------------------------- wrote: Do they sell a gauge to measure Coaxial Power Connectors? AKA "barrel connectors". I can get close using a ruler on the outer part of the plug, but those pins inside are near impossible to measure. There are so many variations of them too. Someone must have some sort of gauge to measure them.... I don't know how you'd measure after it went through a crimp-tool. ** Huh ?? When you hook a coax connector to coax cable, you crimp it with a crimping device so it won't fall off of the coax cable. (at least I did) As with every connector, if you crimp it at one end, its inevitably going to change measurement at the other end (though probably not significantly). I think youall are mixing coax power connectors that are used on many wall cubes to power the electronic devices and the coax connectors like used on the antenna cable called coax, such as RG-8, RG-6. The mating areas of the coax power connector are not crimped or any other thing to change the mating dementions. Oh. I guess we learn something new every day? |
Do they sell a gauge to measure Coaxial Power Connectors?
On Mon, 26 Feb 2018 08:03:00 -0800, Jeff Liebermann
wrote: (...) One more idea. Buy or make a tapered hole gauge: https://www.google.com/search?q=taper+hole+gauge&tbm=isch It would need to be made for the purpose to prevent bottoming out on the connector. I have a few that I made for go/no-go inspection gauges by grinding a steel rule blank and etching marks with ferric chloride. -- Jeff Liebermann 150 Felker St #D http://www.LearnByDestroying.com Santa Cruz CA 95060 http://802.11junk.com Skype: JeffLiebermann AE6KS 831-336-2558 |
Do they sell a gauge to measure Coaxial Power Connectors?
On Mon, 26 Feb 2018 20:06:20 -0500, Phil Hobbs
wrote: I have a couple of Mitutoyo ones that work great and weren't expensive. Chinese ones are good for scribing circles on copper or aluminum and other such jobs that might hurt the good Japanese ones. ;) Phil Hobbs Are you sure that your Mitutoyo calipers are not a counterfeit? https://www.youtube.com/results?search_query=mitutoyo+caliper+fake I gambled and bought a Mitutoyo Digimatic 500-196-20 for $35. It was a fake. After cleaning out the shavings from the guts, removing the burrs, and squaring the jaws so that they were parallel, I did something that blew up the electronics. Sorry, no photos. -- Jeff Liebermann 150 Felker St #D http://www.LearnByDestroying.com Santa Cruz CA 95060 http://802.11junk.com Skype: JeffLiebermann AE6KS 831-336-2558 |
Do they sell a gauge to measure Coaxial Power Connectors?
On 02/27/2018 12:29 PM, Jeff Liebermann wrote:
On Mon, 26 Feb 2018 20:06:20 -0500, Phil Hobbs wrote: I have a couple of Mitutoyo ones that work great and weren't expensive. Chinese ones are good for scribing circles on copper or aluminum and other such jobs that might hurt the good Japanese ones. ;) Phil Hobbs Are you sure that your Mitutoyo calipers are not a counterfeit? https://www.youtube.com/results?search_query=mitutoyo+caliper+fake I gambled and bought a Mitutoyo Digimatic 500-196-20 for $35. It was a fake. After cleaning out the shavings from the guts, removing the burrs, and squaring the jaws so that they were parallel, I did something that blew up the electronics. Sorry, no photos. Well, I bought them some years back from an actual Mitu distributor, so I'm pretty sure they're real. No swarf, no detectable parallellism error, no noticeable offset between depth gauge and ID/OD blades, good battery life, nice case. My cheap 'n' cheerful Chinese ones are actually quite OK as well. Cheers Phil Hobbs -- Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC / Hobbs ElectroOptics Optics, Electro-optics, Photonics, Analog Electronics Briarcliff Manor NY 10510 http://electrooptical.net http://hobbs-eo.com |
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