I have an Alpha Metals Ionograph model 500M that I have inherited from
an engineer that is no longer with the company. Along with this piece
of equipment I have only inherited internal procedures that look like
they have been copied from the manual, but no manual.
We have to calibrate or verify the solution by taking a specific gravity
and running the test procedure. in this you use the reading you have
taken above and add a know amount of contaminate to the unit. I am then
looking for a reading of 37.5 (+/- something I'm assuming) for a pass.
the problem I am having is that I am reading in the 420's to 460's and
no one here has ever seen this unit fail. we also do not cover the fail
contingency in our procedures. I have been leaving messages with Alpha
Metals for 2 days with no reply.
Help!!!!!!!!!!!!!!!!!!!! Has anyone encountered this and if so could you
give me some guidance.
Bill Irwin
[log in to unmask]
Bill Irwin
Berg Electronics
(717) 764-7309
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