Product Catalogue/Brochure

IRHD Micro Hardness Tester III

The IRHD Micro Hardness Tester III - New Generation - 3rd series of this popular IRHD Hardness Tester line has a more convenient and user-friendly operation. Accurate IRHD Micro hardness measurement of soft elastomers such as O-rings, seals and gaskets, with thickness down to 0.6mm, is guaranteed.

IRHD Micro Hardness Tester III - New Generation offers new advantages, with an excellent price/quality ratio. Testing of O-rings, molder samples with irregular shapes, seals, etc. are ideal applications for this model. A quick center lever allows quick and precise positioning of the samples and the measuring head comes with integrated display and keypad for ease of use. IRHD Micro Compact III comes with standard RS-232 data interface as well as exchangeable indenters.

The quick centering devices, Barofix and Centrofix, allow ideal positioning of O-rings as well as elastomer tubes and hoses for precise hardness measurement on the suitable section of the samples. The optional "HardTest" windows-based software offers data logging, management of articles, display of graphics and hardness curves, statistical evaluation, and further analysis of the measured values.

As a service benefit and for quick and low-cost calibration purposes, the customers can send only the measuring heads of the instrument while keeping the test stand and base of the instrument at their lab. The new IRHD Micro Compact III fully meets and exceeds ASTM D 1415, DIN 53519 sheet 2, ISO 48, and other international standards.

The contact pressure and measuring time of IRHD Micro Hardness Tester III - New Generation are designed according to standards. IRHD Micro Hardness Tester III - New Generation also features embedded memory for the saving of up to 300 test results and both optical and acoustic signals during measuring process.

  • A quick adjusting lever allows a speedy and precise approach to the measuring position.
  • In the ergonomic housing of the measuring device with the approved indicating and control panel, the data transfer is integrated.
  • If needed, the IRHD M or IRHD N indenter can be exchanged by customer easily.
Technical Specifications for IRHD Micro Hardness Tester III - New Generation
Test MethodIRHD M (micro) / IRHD N (normal)
Resolution0,1 IRHD M / 0,1 IRHD N
Range of applicationHoses, tubes o-rings, moulded Parts, norm plates and seals
Minimum material thickness - IRHD M0,6 - 5,0 mm
Minimum material thickness - IRHD N6,0 - 10,0 mm


Accessories for IRHD Micro Hardness Tester III - New Generation
IRHD Micro Hardness Tester III - New Generation - BarofixBarofix
centering device for a quick centering of O-rings of a cord diameter between 0,6 to 5,0 mm

Outer diameter to 50 mm.

IRHD Micro Hardness Tester III - New Generation - Barofix with Plexiglas plateBarofix
With plexiglas plate (200 x 200 mm) and a sample clamping device

Quick centering device for O-Rings with a cord diameter from 0.6 to 8.0 mm and max. outer diameter of 200 mm

Plexiglas plates with different sizes are available.

IRHD Micro Hardness Tester III - New Generation - BarofixCentrofix
centering device for quick centering of rubber tubes or hoses

For more information about IRHD Micro Hardness Tester III, please call us at 1.877.884.8378 or Click the button below.