I have a chart of pressure transducers from various brands that is rather complete, but I have the printout at work. Will have to check back monday, but in the meantime, I have this ebay link that...

Nice. I have someone with lt-1 big cam problems who might let me test this out.
All I can offer is the formula this morning, as I am off to work. You may already know it, and there are lots of...