... State-owned factory 3 Digital screen, built-in printer,RS232 port 4 Max test force 10kgf 5 CE ... to be printed directly by the built-in printer.6. Can be connected with computer, used ... Supply110V/220V + 5%, 50/60 HzData OutputBuilt-in Printer(Hardness Value, The Max. And Min. Value, Testing ... screen, menu structure panel, easy operationWith built-in printer, can print out the test data directly; RS ...