Go here:
http://store.avlube.com/oilandfuanki.html. The basic $16 kit measures for soot, but not tbn, or acid neutralization. Kit to include tbn costs $2.50 more. An AV tech explained to me that with ULSD, TBN tests are moot. The company is waiving the cost of UPS shipping to your home.
Am going to do an analysis when I change my Rotella 5w-40 syn at 7,500 miles.