Vacuum Gauges

[Codecat]

Hi all...

Does anybody know of a source for a vacuum gauge sensor (Pirani or thermocouple) and a circuit to make an analog gauge to use them with? I don't really want to spend a thousand bucks to get a decent gauge.

Thanks in advance!

Joe (AKA Codecat)

[pawinemaker]

I've gotten some good deals on eBay for thermocouple gauges, but it does require patience and paying close attention to the details so you don't get taken. As far as a circuit goes, Sam's Laser FAQ has a circuit for building your own TC meter. If my memory is correct, there is even a file you can print out for the scale.

EDIT: The link is
http://www.repairfaq.org/sam/lasercva.htm