On 6/2/2013 10:27 AM, Pat wrote:
> Borrow one from a neighbor and do back-to-back tests.
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> Todd Last
> Sent: Sunday, June 02, 2013 12:52 AM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Is there a clever way to test your compression tester?
>
> I have an old (circa 1975) Sears engine compression tester, that seems
> to be in great condition, but I was wondering if there is a clever way
> to test it to make sure the readings are accurate? Anyone have suggestions?
>
> thanks,
> Todd
>
> '88 Westy
I'm thinking that hooking up your tester via adapters to an air
compressor line that had a gauged regulator might help at least for
ranges up to 100 PSI or so......or not

YMMV

DM&FS