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NDT Equipment and Accesories
Measuring and Testing Instruments

Portable Hardness Tester "INSTRUMATIC" ™

A fully mechanical instrument of the highest precision, robust, and free from normal maintenance

The large clearly marked dials on these unique instruments cover a full range of hardness values in Vickers, Brinell, Rockwell A, B, C, and Kp/mm ² covering the British, American and German specifications

The Instrument

The system is entirely mechanical employing the use of special pre-loaded springs which provide a load of about 15kg to the diamond. Maximum penetration of the diamond into the specimen is 0.125mm (.005").

Operation and Use

The simplicity of the tester enables it to be used in almost any direction, (preferably vertically), without affecting accuracy. It can be used "˜on site"™ with complete success. The grips are depressed to the fullest extent by using the palms of the hands and the hardness value can be read off the appropriate scale. Repeatability is excellent and the calibration can be checked by the user against a reference test block supplied with each instrument. Each tester is supplied complete in a case with detailed operating instructions.

Portable Hardness Tester

Diamond Indentor

The instrument does not require any regular servicing. Should the diamond indentor become damaged, a new indentor can simply be fitted using the small tool supplied with the instrument.

Bench Stand

Bench stand with vee base for round parts, available as an option.

Magnetic Holder

A magnetic holder is available for checking the hardness of large ferrous finished surfaces such as lathe beds, milling machine tables and large surfaces which cannot be easily checked by hand.


Technical specifications

Code No. Scale Range   
POR0001 No 1 Vickers Pyramid 100 - 1000
      Brinell 100 - 500
      Rockwell C 20 - 70
POR0002 No 2 Rockwell A 40 - 85
      Rockwell B 50 - 100
      Rockwell C 20 - 70
POR0003 No 3 Vickers Pyramid 100 - 1000
      Brinell 100 - 400
      Rockwell B 50 - 99
      Rockwell C 20 - 70
POR0004 No 4 kg/mm ² 35 - 140
      Brinell 100 - 400
      Rockwell B 50 - 99
      Rockwell C 20 - 70
POR0005 No 5 Vickers Pyramid 40 - 300
      Brinell 40 - 300
POR0006 No 6 Brinell 40 - 300
      Vickers Pyramid 40 - 300
POR0007 No 7 Brinell 100 - 600
POR0008 No 8 Vickers Pyramid 20 - 106
PBS0001 Precision Bench Stand   


Standard delivery

  • Main unit
  • UKAS certified test block
  • Case
  • Adjusting keys
  • CV Instruments certificate
  • Manual

Optional accessories

  • Bench stand
  • Magnetic holder
  • Spare diamond indentor