Products > Test Equipment
BK Precision 2712 vs Aneng AN8008
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Mat219:

--- Quote from: J-R on September 01, 2022, 04:23:56 pm ---What do you think about that BM829s + calibration?

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Looks quite good, just a few questions:
How do I request the calibration, and how does it work? Do they actually trim the meter to a standard or do they just tell you the inaccuracies so you know how to compensate for them?
rsjsouza:

--- Quote from: Fungus on September 01, 2022, 05:33:44 pm ---Maybe it's not that difficult.

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Throw any Brymen in the water. It will either be dead as a dodo or will need to be thoroughly cleaned from the inside.

Again, Brymens are excellent meters and will be a suitable candidate for the OP given his requirements, but they are neither perfect nor indestructible and do not apply in all conditions. I used to perform maintenance in my pool equipment (damp/wet area) and the U1282A was the one to take due to IP67 and Dave's torture tests. Any other meter I have (including serious Flukes) were a "maybe".
rsjsouza:

--- Quote from: Mat219 on September 01, 2022, 11:30:52 pm ---

--- Quote from: J-R on September 01, 2022, 04:23:56 pm ---
What do you think about that BM829s + calibration?

--- End quote ---
Looks quite good, just a few questions:
How do I request the calibration, and how does it work? Do they actually trim the meter to a standard or do they just tell you the inaccuracies so you know how to compensate for them?

--- End quote ---
I couldn't find Brymen calibration, but Fluke covers this topic more extensively:

https://www.fluke.com/en-us/support/calibration-services
Fungus:
How well do your existing DMMs agree with each other?

If they all agree then that's a good start for a reference. Those Anengs are quite accurate for what they are, if they agree with each other and agree with a new Brymen then it's a good start.

Calibration is expensive unless you really, really need it.

At a hobby level it might be better to spend the money on getting some reference components for sanity checking and comparing it with other meters like your Anengs (IMHO). You can get a high degree of confidence that way and you'll be able to check the meter for many years using them.



--- Quote from: J-R on September 01, 2022, 04:23:56 pm ---What do you think about that BM829s


--- Quote from: Mat219 on September 01, 2022, 11:30:52 pm ---Looks quite good, just a few questions:
How do I request the calibration, and how does it work?

--- End quote ---

--- End quote ---

At welectron you just tick the box on the form when you order the meter.


--- Quote from: Mat219 on September 01, 2022, 11:30:52 pm ---Do they actually trim the meter to a standard or do they just tell you the inaccuracies so you know how to compensate for them?

--- End quote ---

Calibration is telling you the inaccuracies so you know how to compensate for them.

They'll give you a piece of paper with a report of the meter's readings against their reference standards.

Some people would claim it's invalidated as soon as the meter gets sent through the postal system.  >:D
tomud:

--- Quote from: Mat219 on September 01, 2022, 10:40:05 am ---It has to be available in my country, which means Farnell is a safe bet, although I might be able to find different distributors as well with some digging.

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When it comes to Brymen multimeters, you can easily buy at TME (They ship easily to the Czech Republic and you can pay in CZK):
https://www.tme.eu/cz/katalog/digitalni-multimetry_112609/?mapped_params=2:258;

When it comes to calibrating yourself, without good equipment it is a bit difficult, but if you do not need a certificate, calibration at the manufacturer's authorized service (in Poland it is not high - around 50 euros http://www.biall.com.pl/en/contact.html  serwis@biall.com.pl you can easily send an inquiry in English.).
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