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Sanwa PM300 Pocket Multimeter Review Teardown
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EEVblog:
Short form report
http://www.eevblog.com/files/PM300-SHEM1610006729IT-RPT.pdf
It also passes the ESD standards
Eric_S:
@Fungus

--- Quote ---Are you accusing Sanwa of lying about their CAT ratings?
--- End quote ---

I'm saying that Dave should exercice due diligence. Thats not being mean spirited, it's actually caring about him not getting into any undue trouble. The design looking good or not, it's just being wise.

That being said, there are better ways to dispell concerns:


--- Quote ---The meter was tested by SGS-CSTC Standards Technical Services Co., Ltd.
I have the 80 page test report.
--- End quote ---


--- Quote ---Short form report
http://www.eevblog.com/files/PM300-SHEM1610006729IT-RPT.pdf
It also passes the ESD standards
--- End quote ---

Thank you Dave/EEVblog!

Going back to "sleep" now on this.
noidea:
Hopefully I can help answer a few of the questions that have come up as mine arrived today.
The beeper is pretty quiet especially with the meter on the case as it surrounds the meter pretty well.
There's a little spare room in the lead holder but a battery would possibly fall out and the screwdriver would have to be very short. I managed to fit a set of Frankys IC grabbers, with the 2mm slip on sockets in and close the case. They will be a work in progress for this meter as, there's a bit of uninsulated probe showing. Also anything rattling around in the case will probably end up scratching the screen.
Pocketability is not bad, it fits in a jeans front or rear pocket but you wouldn't want to sit down with it in your pocket and it's probably a little big for a business shirt pocket. I wanted something that could live in a small computer satchel, was suitable for a CAT III environment and had diode test, true RMS is a bonus.
A pack of sticky notes, worked OK as a makeshift stand, a screwdriver placed between the halves of the case would do the same.
Downsides, the probes are a little blunt for my liking and the gold plating puts a kybosh on filing or grinding them to a different profile.
The lack of Beep on diode function is also a pet peeve of mine and backlight would have been nice but it's only powered with a coin cell so understand why it doesn't have it.
The built in leads are only PVC so longevity where they get bent from the case closing will be something to keep an eye on, as that's the most likely place they will break.
I think I might investigate alternative probes leads down the track.
Here's a few photos
nixfu:
Couple of observations. 

1) Just had to stop and appreciate how good Dave is now at these single take videos now.  I give him credit for being able to do these and be fairly good videos. 

2) Frankly I trust the opinion of Dave and the EEV community more than I trust and CAT or other markings printed on a case. 

3) I like the leads. Those pocket meters with plugin leads seem silly on a pocket meter. 
joeqsmith:

--- Quote from: Fungus on September 14, 2017, 05:52:23 am ---
--- Quote from: joeqsmith on September 14, 2017, 12:16:22 am ---Take the time to read the last remark.   :popcorn:

--- End quote ---

Thus proving that it's impossible for a Youtuber (or anyone else) to simply look at the insides of a meter and proclaim a CAT rating.

--- End quote ---

That would be something.  There would be no need for test houses.  Products could be sent to the YT expert to have a look at and get their cert.    Best you could do is look at one and see something obvious where it may not meet their proclaimed rating. 
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