Certified temperatures. Low cost, quick readings. Accurate to +/- 3 % in Celsius ; no adjustment is required. Long life stick : 33 % greater than some competitors.
 
The thermal marking pencil is a cheap and quick way to precisely measure the temperature of metal and equipment. With low corrosion formulas, they can be safely used on stainless steel, alloys and other superalloys, and do not lead to corrosion or degradation, or stitching