Electronics > Metrology

$75 Calibration with Adjust and Data for a variety of multimeters/counters/etc

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boggis the cat:

--- Quote from: DiligentMinds.com on January 12, 2016, 06:56:32 pm ---After reading their website, it seems that they send out your instrument to "one of their partners"-- so, they are not always doing the calibration themselves.  In addition, I can't seem to locate their certificate [and/or scope] of accreditation-- so, I have no idea who is doing the work, what their uncertainties are, etc.  So, in other words, I would be spending $75 for... what exactly?

I'm not saying they are doing a bad job-- but without accreditation, then there is no neutral third party making sure that they are keeping their standards calibrated in a higher level lab, and there is also no legally valid NIST traceability for liability concerns.  So, if they can prove to me what the traceability chains of their standards are, then it might be OK for my hobby use, but I can't use it at work for calibration of the equipment we use for manufacturing.

--- End quote ---
That certificate looks like a standard Fluke MET/CAL version, and they list equipment used and due dates.  That implies that they are providing traceable results, at least, and $75 is extremely good value for two verifications and an adjustment ("As found" verification, adjustment, then "As left" verification).

What do you expect for $75?

It may not be suitable for production equipment, but then you should have a proper budget for business use.  (Presumably business expenses are tax deductable, too.)

acbern:
Overall the value of this cal seems quite unbeatable. For serious use, one would expect the total measurement uncertainty of the test setup listed in each line rather than TAR which is pretty meaningless.

timb:
Actually, Global Test are a fairly large dealer of new and used equipment and well respected in the industry. You see their used gear on eBay quite often; I've bought a few multimeters and they calibrated them for free, with report and cert.

They were spot on compared with a friend's freshly NIST calibrated 3458A, so I trust their calibration for lab use (both personal and professional).

Anyway, as I understand it, GTE will send some higher end meters (>6.5 digit) to a local cal lab instead of doing it in-house.

mojoe:
Even though it isn't listed, I called and found out that my HP 3457A is also eligible for the $75 deal. I was also told that this deal is only good through the end of February.

PedroDaGr8:

--- Quote from: mojoe on January 15, 2016, 11:20:34 pm ---Even though it isn't listed, I called and found out that my HP 3457A is also eligible for the $75 deal. I was also told that this deal is only good through the end of February.

--- End quote ---

Good to hear!

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