Beep sound indication Measure in Metric/Imperial LCD backlight display Low battery indication Auto power off Film/Coating Thickness Gauge WH220 Measuring range 0~1800µmAccuracy ±(3%H±1µm)Resolution: 0.1µm (<100µm) or 1µm(>100µm)Use Hi-sensibility sensor for precise measurementZero point, two point and basic, three different calibrationMeasuring mode: Single, Continually and DifferenceData store/ ...