Precise CTG 803 F/NF - 1300 Microns High Precision Coating Thickness Gauge - Precise coating thickness gauge holds an auto power-off flag for auto power off in mins with no operation. It has a measuring range of 0-1300 microns. The high precision thickness gauge comes with a test foil and has a secure calibration system. It comes in a packed pouch with a corrugated box and user manual.