[MadMark]

Klein Tools Non-Contact Voltage Tester with Infrared Thermometer NCVT-4IR - The Home Depot

Klein Tools NCVT-4IR is a voltage tester that provides non-contact determination of AC voltage in cables, cords, circuit breakers, switches, outlets and wires; as well as infrared (IR) thermometer measurements,

www.homedepot.com

Print a 1x1 grid and tape it to your build plate. Preheat for at least an hour. Use the $30 probe to measure the actual temp of each grid intersection. My build plate has a sweet spot about 1-1/2" right of center. The four platen height knobs were each small cold spots.

 

[Superburban]

This is what I use around the metal shop. I have several hanging in different spots that I can get to easily.

Non-Contact Pocket Thermometer

Amazing deals on this Infrared Thermometer Non-Contact Pocket at Harbor Freight. Quality tools & low prices.

www.harborfreight.com