Easy to operate ultrasonic wall thickness gaugeSuitable for various materials such as steel, stainless steel, aluminium, glass, polystyrene, polyethyleneMemory of 4000 readings with location number, with data output to pc or printerAverage calculation of max 9 readingsLimits setting Low-High; indication direct on displayStandard 5.0MHz transducer included, optional transducers 7.5MHz, 2.0MHz, 5.0MHz high temperatureSound velocity range 1000 up to 9999msClear 4-Digit LCD display with settingsDisplay resolution selectable at 0.1mm - 0.01mm -0.01 - 0.001 inchesFast calibration on integrated standard block of 4.00mm (5920ms steel)Backlight display for dark environment