Phase II+ Rockwell Hardness Tester w/ Analog Display - Premium - 900-331


Thread Check offers the PHASE II 900‐331 Rockwell Hardness Tester. This hardness tester comprises the very best in "state of the art" design along with dynamic precision only found with Phase II products. The 900‐331 Rockwell scale hardness tester is easy to use, yet engineered to obtain highly sensitive and accurate readings. Conforming to ASTM E‐18 Rockwell Hardness standards, the 900‐331 tester will offer unmatched repeatability in all standard Rockwell Hardness scales (table shown below). A perfect, rugged performer suited for any environment including heat treat facilities, laboratories, workshops, tool rooms and inspection labs. Lifetime technical support is included on all Phase II Hardness Testers. The instrument is supplied with a 5 year warranty and backed by excellent product support.


  • Direct analog dial reading
  • Advanced design, easy to operate
  • Engineered to obtain highly sensitive and accurate readings
  • Conforms to ASTM E‐18

Perfect for laboratories, workshops, tool rooms, inspection labs, etc.

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SKU 900-331
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