Model FN (dual sensor) 0 - 2000 ?m / 80 mils Features Resolution of 0.01 mils (1 micron) Impact-protected housing for use in tough environments Probe with wear-resistant carbide metal tip Automatic identification of the substrate material High repeatability For fast and precise measurements of non-magnetic coatings on steel and insulating coatings on non-ferrous metals External sensor USB-interface to transfer on-line measurements or statistics to a PC Statistical evaluation of readings (mean value, standard deviation, number of readings, minimum and maximum) Coating thickness measurement up to 2 or 3 mm Data transfer program Msoft7000 basic edition DIN EN ISO 1461, 2178, 2360, 2808, 3882, ASTM B 244, B 499, D7091, E 376 Made in Germany Measuring Uncertainty (2 % of reading + 2 ?m) / (2 % of reading + 0.08 mils) Resolution (mils) 0.01 mils (up to 9.99 mils) / 0.1 mils (over 10.0 mils) Resolution (microns) 1 micron Minimum curvature radius convex 5 mm / 0.2? Minimum curvature radius concave 25 mm / 1? Minimum measuring area O 20 mm / 0.8? Minimum base thickness: 0.5 mm / 20 mils (F) / 50 ?m / 2 mils (N) Display 4-digit screen data (11 mm) Measuring units ?m ? mils user selectable Calibration Standard, 1-point and 2-point calibration Statistics Calculated from maximum 9,999 readings, mean value, standard deviation, number of readings, minimum and maximum Interface USB Power supply 3 Micro AAA batteries (for more than 10,000 readings) Dimensions and weight Housing: 70 mm x 122 mm x 32 mm / 2.7? x 4.8? x 1.26? Sensor: O 15 mm x 62 mm / O 0.60? x 2.44?; 225 grams / 7.93 ozs Ambient temperature Gauge: 0 to 50 C / 32 to 122 F Sensor: -10 to 70 C / 14 to 158 F