Introduction

 The PHBR series portable Brinell & Rockwell hardness testers are
  designed based on the PHR Rockwell hardness tester and follow
  the test methods of of Brinell and Rockwell hardness test and
  function as both Brinell and Rockwell hardness testers.

 Testing principle and accuracy is in accordance with the relevant
  international standard ISO6508, 6506 and American standard
  ASTM E110. 

 Used for testing the castings, forgings, steels and nonferrous
  metal and work pieces made of all kinds of metal materials
  under kinds of heat treatment.

 Capable of testing finished and semi-finished metal workpieces
  of various dimensions and shapes by using different anvils.

 Traceable standard hardness block.

 Indenter inspected with standard Rockwell hardness tester.

 Test force calibrated with load cells directly traceable to national
  secondary benchmark.