We are looking for a new cal lab in the San Francisco area, someone who will ideally pick up test equipment once in a while, do traceable cals with data and certificates. Any suggestions?
Thanks
-- John Larkin Highland Technology, Inc picosecond timing precision measurement jlarkin att highlandtechnology dott com http://www.highlandtechnology.com
fwiw if a place says their specialty is "untracable cals" I'd probably avoid that place
Thank you for that helpful observation.
-- John Larkin Highland Technology, Inc picosecond timing precision measurement jlarkin att highlandtechnology dott com http://www.highlandtechnology.com
Test Equipment retailers sometimes double as cal houses. There must be something in SF.
Cheers
Gosh, tough crowd
I mean, you might want that if all you needed was functional, more an alignment and setup, rather than a proper accurate calibration as such.
But if you're going to the trouble of sending it out (or having a guy in), it doesn't seem very economical to insist on anything shy of normal full service.
Tim
-- Seven Transistor Labs, LLC Electrical Engineering Consultation and Contract Design Website: https://www.seventransistorlabs.com/
As do equipment rental places.
Cheers
-- Clive
But if you're ISO certified/mil spec etc, you have to have traceable cal certs....
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I don't think there is anything in SF. This is mostly a software town. People are shocked that we design and build electronics here.
I was asking if anyone here had an actual cal house that they have actually used.
-- John Larkin Highland Technology, Inc lunatic fringe electronics
Did you find a cal lab yet? I just started working at a place in Santa Clara. They've been sending everything to the same cal lab for years: Trescal (formerly SE Labs). They do daily dropoff/pickup at our site.
It is getting VERY wet, with all of that dripping sarcasm.
You must be joking, many retailers know only sales.
I can easily find cal labs. I was wondering if anyone had personal experience, one that they like.
The one that we use now is mediocre.
-- John Larkin Highland Technology, Inc lunatic fringe electronics
Do you need NIST accuracy? Why not do self-cal. Get a HP3458 off ebay to check your dvms DC voltage and current, and AC voltage and current. Get a resistance standard off ebay. Make a GPSDO for your frequency reference. Get lab standard weights to calibrate scales. Make a ice/boiling water standard for temperature.
When you have your own lab standards, you can check a piece of equipment on regular intervals without losing it during a trip to an external lab. This saves wear and tear, and possible handling damage due to accidents.
Our customers sometimes audit us, and would never accept ebay home-brew calibrations.
And we have better things to do with our time.
I don't know how we'd cal a Fluke DVM or a big oscilloscope. Cal labs have the hardware and software to do that.
-- John Larkin Highland Technology, Inc lunatic fringe electronics
Very helpful reply. Thanks
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