TKM-459 ultrasonic hardness tester.
Load: 50N (standard probe)
Measurement range: hv240-940, hrc20-70, hb100-450.
Measurement accuracy: HV:3%, HRC: 1.5%, HB:4%.
Measurement display: backlight liquid crystal display.
Storage: can store 6000 measurements.
Correction value: 35.
Measurement direction: free measurement in the whole direction.
Hardness: bushi, lowe, and vickers conversion.