... setting with low-high display judge Features:* Impact type hardness tester*Build in Mini-printer* 320 x 240 LCD ... , Battery power status, Memory reference,Hardness scale, Hardness value, Average value, Max/Min value, Material,Type of impact device connected, TimesAccuracyWithin + ... D+15, DL, G * Special support rings Portable hardness tester, build in Mini-printer, lower and upper limits setting with ...