As Per IS : AS PER IS

SPECIFICATION

Technical Requirements for Portable Digital Hardness Tester

1) Equipment should be capable of measuring hardness of all metals specifically steel and iron products of various shape, size, weight and thickness including heavy castings and forgings too.

2) Hardness measurement in all common hardness scales viz HV, HB, HRC, HRB, HS etc

3) Accuracy – High

4) Repeatability: Highly repeatable results

5) Resolution – Sufficient

6) Automatic correction for impact direction.

7) Unit Display – Large, LCD with adjustable contrast and backlight.

8) Total Weight – Approx. 1.00 Kg.

9) Memory – Large.

10) Operating temp – Upto 50°C.

11) Equipments should work on the Leeb Measuring Principle.

12) Equipment should be in accordance to ASTM – A956/A370, DIN-50156, ASTM E-140

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