Hardness scale: HRA, HRB, HRC, HRD HRF, HRG (with standard indenters); HRE, HRH, HRK (with optional indenter).
Stage elevation manual. Load control automatic. Resolution 0.1HR. Tolearance testing.
Set testing times (2~10) to have average value and the difference of max. and min. value
Convert to other Rockwell scales, HV or HB
Memory of 500 testing values for browsing and output
Testing value can be sent to wireless printer automatically
Calibration function compensates the testing value for high accuracy

Norton 66261014793 - 3" Medium Grade Aluminum Oxide Bear-Tex Speed-Lok High Strength Maroon TR Non-Woven Abrasive Disc, 80 Each
3M 94717, Cubitron ll Cloth Belt 947A, 80+ X-weight, 1 in x 30 in, Fabri-lok, Single-flex, 7010294445, 200 per case
3M 20931, PSA Cloth Disc 348D, P100 X-weight, 1 in x NH, Die 100N, 7000118915
Dynabrade 78293 3" Dia. x 2S Fine, Type R Unitized Locking-Type Disc, 25/pack
Standard Abrasives 32929, PSA A/O Disc, 709607, 1/2 in x NH, 120, 7100037906
Norton 66261014936 3" DIA X 1/8" Thick, Bear-Tex NEX Rapid Blend Quick-Change Type III Non-Woven Unified Wheel, 40 Each
Dynabrade 78380 3" Dia. x 1/2", Dyna Premium Rapid Strip TR Disc, 25/pack
Dynabrade 78372 8" Dia. x 3" W x 1" Center Hole, 8S Fine, S/C DynaBrite Deburring Type-R Convolute Wheel, 2/box
3M 45025, Diamond Grade DG3 Reflective Digital Sheeting 4084UDS, Fluorescent Orange, 36 in x 50 yd, 1 Roll/Case, 7100282391
Norton 66254497067 - 2" X 1/4" 100 - 150 Grit Medium Grade Aluminum Oxide Vortex Rapid Blend Blue TR Non-Woven Abrasive Disc, 25 Each
3M 26151, PPS Series 2.0 H/O Midi/Mini Lid, 200u Micron Filter, 25 lids per pack, 7100200473 