Hi All,
Been using a new to me Tool for about 6 mos. now. It's a Hand held noncontact Thermomter. I bought it to easily check the Temperatures periodically of the trailer wheel bearings, and the Trucks rear differential. Sweet tool. I have found other items to check also, like the Refeigerator and the Oven. The one I bought is the MiniTemp by Raytek. Got it from
www.Tooldesk.com I purchased the Mod. with the Laser pointer. This little gadget is very handy and quite simple to use. Just point and shoot. It reads Temps. from 0-525 deg. Some might think all I have to do is feel the wheel with my hand to see if I have an axle bearing getting hot, but I wouldn't recommend checking you differential that way as I have seen mine as high as 235 degrees. Ouch! I walk around mine at rest stops and shoot the wheel right between a couple of lug nuts. The Temps. stay at around 112 to 124 depending on sunny side of the Trailer and it only takes me a minute. I paid about $80 for mine. I know they may also be purchased at Radio Shack and Sears in different Brands ,sizes and shaps. Thought I'd pass along this info. about a very good RV tool.