It is based on Baumann - Steinruck principle with a 5 mm Brinell indentor for hard metals( Upto 550 BHN ), 10mm indentor for cement concrete and very soft metals, complete with conversion tables, MAC - 30 mircoscope and indentor. Conforming to DIN 4240.

(1) Main Tester with spring loaded arrangement
Full-load Energy: 50 kg cm
Half-load Energy: 12.5 kg cm
Indentor with 10 mm ball - 1 No.
Indentor with 5 mm ball - 1 No.

(2) "bse Magnifiscope" -
MeasuringMagnifier:-5-8 X
Range 0-10 mm
Reading Accuracy 0.1 mm

(3) Test Block - 2 nos. test blocks duly tested with hardness Nos. marked on them to check the accuracy of IHC periodically.

(4) Grinding stone - 1 No. with rough & fine grains for grinding concrete surfaces

(5) Instructions manual with table and graphs. All the above components are enclosed in a portable attractive box.
Size of Box : 16 x 38 x 8 cm
Nett Weight of Tester only : 2.6 kg
Gross Weight with Box : 4.7 kg

The Ball-impact-Tester model IHC has been designed according to Prof. Baumann, to determine the Brinell Hardness of Metal and Cement-Concrete, as well as the Compression Strength of Cement-Concrete which has a relation to its Hardness.