Reply to ROBRENZ,
I agree that it is good practice to discharge the cap before testing
on any meter, (and it is clearly declared in both the manual and
on the meter itself) but sooner or later as we all do you grab the
wrong meter probes from your cluttered bench or your mistress
taps you on the shoulder just as you are probing a lifted leg of a cap,
and bingo, one rooted LCR meter.
So can we confirm what the other meters that are using the Cyrustek
Chipset are doing for front end protection. ie: Mastech, CEM, Uniturd
( yes they are crap).
Until recently I have never had a use for an LCR meter but whist machining
aluminium on the lathe suddenly the spindle hessitated and the motor
started to sqeal like a pig, So I assumed a blown motor, I dismantled the
lathe and tested the start and run caps with a shity DMM that was nearby
and the caps were in tolerance. I took the motor around to a fellow expecting
a complete rewind but he rang two days later and said that the windings were
as new and the run capacitor had failed. I like you have a lot of machinery
lathes, mills, ect and the fact that I somehow missed that faulty cap was
enough to justify the purchase of a dedicated meter.... Pete