It matched my 3D printer's temperature reading, which tells me both were accurate, but I'm sure there are other ways to actually test the accuracy (try this IR thermometer I see), but I'm not a scientist, so I'll have to rely on comparing temperature readings on my own gear until I can someday get official gear.
Kapro - 353 Professional Ledge-It Try & Mitre Square - For Leveling And Measuring - Features Stainless Steel Blade, Retractable Ledge, And Etched Ruler Markings - 12 Inch
23 Review
📏 CAMWAY 6 Inch Digital Caliper with LCD Display, Electronic Vernier Caliper, 150mm Stainless Steel Feeler Gauge, Plastic Digital Caliper Set for Zero Setting Inside/Outside Diameter, Depth, and Step Measurement Tool
3 Review
Kapro 307-08-TMS Try And Mitre Layout And Marking Square With Stainless Steel Blade, 8-Inch Length
18 Review
Triangle Group TR918 225/45 R18 95V summer
61 Review