TESTER: TYPE HARDNESS, FFT: MEASURING ACCURACY: +/- 0.5%, IMPACT DEVICE:UNIVERSAL D DEVICE – INTEGRATED, HARDNESS MEASUREMENT VALUES INCLUDE HLD, HRC, HRB, HB, HV, AND HS, STORAGE CAPACITY: 1250, USB 2.0 INTERFACE , MINIMUM SURFACE ROUGHNESS OF SAMPLE: 1.6ΜM ( RA ), MAXIMUM WORKPIECE HARDNESS: 955HV, IMPACT DIRECTION: 360 DEG, MIN. RADIUS OF WORKPIECE:(CONVEX/CONCAVE) RMIN = 50MM (WITH SUPPORT RING RMIN= 10MM), MINIMUM SAMPLE WEIGHT: 2~5KG ON SOLID SUPPORT, CONTINUOUS WORKING TIME: 16 H (WITHOUT BACKLIGHT), POWER: RECHARGEABLE LITHIUM BATTERY, OPERATING TEMPERATURE: 0~50 DEG C, TEST TIP: TUNGSTEN CARBIDE, DIMENSIONS: 158MM × 41MM × 26MM, PORTABLE, MNFR: QUALITEST USA LC MNFR PART NO: QUALITIP, CALIBRATION REPORT REQUIRED ALONG WITH MATERIAL