Portable M-51 and M-52 Rockwell Testers

The M-51 and M-52 Portable Rockwell® Hardness Testers are lightweight and designed for testing samples where limited clearance is available. These instruments are capable of regular rockwell hardness testing with loads of 60, 100, and 150 kgf.  The M-51 Portable Rockwell Hardness Testers is equipped as standard with both a flat and v-anvil, a B Scale indenter and test block, and a C Scale diamond indenter and test block. 

                                    M-51                                 M-52

Application	Stacked Sheets, Rod or Tubing	Stacked Sheets, Rod or Tubing
Test Forces	60, 100, 150 kg	60, 100, 150 kg
Scales	Regular Rockwell	Regular Rockwell
Vertical (Throat) Capacity	114 mm (4.5 in)	305 mm (12 in )
Horizontal (Depth) Capacity	57 mm (2.25 in)	152 mm (6 in)
Display	Analog Dial Gauge	Analog Dial Gauge