Products > Test Equipment
IET LOM-501A Micro Ohm meter
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robrenz:
Thanks,  if I read correctly it would be .1%  at 1 Ohm  but I need 0.02 ohm to calibrate the 20m Ohm range.
free_electron:
looks like a clone ( or very close approximation) of the keitlhey 485 microohmmeter...

the reason for not having soldermask is ... leakage !
when you are makeing very precise systems you cannot put soldermask over those area's.
since this thing has such a large area that would be void of soldermask they opted to have none at all.
robrenz:
It is actualy a Cambridge technology meter.  They are out of business and I guess IET bought the manufacturing rights. I think you meant the kiethley 580  the 485 is a Picoammeter.  But the LOM-510 has better specs and resolution than the 580.
free_electron:
eh yes. 580. got my numbers confused there.
the guts look similar ( same chips ... )
FenderBender:

--- Quote from: Rufus on March 08, 2012, 05:25:01 pm ---
--- Quote from: robrenz on March 08, 2012, 06:00:01 am ---Current starting price from IET is $1975.00
--- End quote ---

For 2000 bucks you would think they could have afforded some solder resist.

--- End quote ---

Don't be silly now. $2000 and you want solder mask? Silly goose.
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