Products > Test Equipment
Mastech MS5308 LCR meter with ESR measurement - on discount at the moment
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Fraser:
I have quickly photographed the interior of the MS5308.

The general build quality is excellent but once again I find that the non automated hand soldering is of variable quality. Nothing that will prevent the unit working, but not up to my expected standards.

There are some nice touches such as a nice deep lip on the case that engages into its partner to form a tight dust seal. The lip also adds rigidity to the case when assembled. The battery cover is a nice tight fit and has excellent pressure padding to keep the batteries in place. The battery cover has screws that engage into brass bushes in the units case...nice.

Disassembly was a minor challenge as after the six self tapping screws have been removed you have to disengage the very tight fitting mated male and female tubes that form the screw spindles. No nasty plastic clips to accidentally snap off in the case design  :)

The plastics mouldings are excellent quality with no evidence of warping or poor mould design.

Over all, I am very pleased with this LCR meter and the manner in which it has been built.

Pictures attached.
Fraser:
I dismantled the tweezer probe adapter to see if they bothered to use 4 wire configuration to the tips, or just shorted the pairs within the adapter housing.

I am pleased to say they wired the tweezers correctly  :)

They are pretty simple assemblies so I should be able to make my own for custom probes if required. All that is need is plated double sided FR4 PCB.

Picture attached


Aurora
Fraser:
I see the price of this unit from AideTech has now returned to $249.

I expect it will be discounted again in the future.

Aurora
Lo_tse:
Aurora,

Thank you for the follow up info.

Regards,
Lo_tse:
Hi, Aurora

Based on your info and my research, I finally pulled the trigger and bought this LCR meter too. It was physically bigger than I thought, more like a bench/table top gear than a hand held.  Fortunately, it is not heavy at all.  The big screen with the back light feature is really nice though.

Well, the hard plastic case is a little too shiny for my taste, but it is just cosmetic.  The manual was really crappy though.  This meter is reasonably versatile and deserves a better written manual.  I was looking for the compare button mentioned in the manual but there is no such thing, they actually mean the sorting button.  Same goes with the OK button which is actually the enter button.  I was trying to find how to use the tiny calibrate push pin to do the calibration but there is no mention in the manual??  Do you know how to do this?

This is my first LCR meter and I have nothing to compare to.  I found the reading takes a bit long to show (comparing to taking a reading on a digital multimeter).  I check some of my caps and low value resistors (<0.3 ohm) and the number agreed with the specified values.  Overall, I think this meter is a good buy - the price includes the SMD tweezers, kelvin clips, AC power adapter,  RS323 cable, and a decent soft case. 
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