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UT 5021M-01 Tochline

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UT 5021M-01 Tochline

Universal hardness tester

Universal hardness tester UT 5021M-01 is designed to measure the hardness of metals and alloys according to the methods of Rockwell, Brinell and Vickers.

The UT 5021M-01 hardness tester is a stationary measuring instrument consisting of a load application system and a measuring unit.

The principle of operation of the hardness tester is based:
• for Vickers scales - on the static indentation of a diamond pyramidal tip with subsequent measurement of the lengths of the diagonals of the restored fingerprint;

• Rockwell scales - on the static indentation of diamond or ball tips with subsequent measurement of the penetration depth of the tip;
• for Brinell scales - on the static indentation of a carbide ball tip with subsequent measurement of the diameter of the circumference of the restored fingerprint.
The hardness meter has a dial gauge for displaying Rockwell hardness.
The device is equipped with an automatic load application system with electronic adjustment and exposure time display.
When measured by the Rockwell method, the instrument load application system provides the application of loads 588,4; 980,7; 1471 N.
Rockwell measurements take place automatically.
When measured by the Vickers method, the instrument load application system provides the application of loads 294; 980 N.
When measured using the Brinell method, the instrument load application system provides the application of loads 306,5; 613; 1839 N.
The design of the hardness tester should be reliably protected from unauthorized access, adjustment of factory settings and software.

SPECIFICATIONS
Test loads on Vickers scales, N:
 294; 980
Vickers hardness measurement range, НV:
 from 8 to 2900
Test loads on Rockwell scales, N:
 588,4; 980,7; 1471,0
Ranges of hardness measurements on Rockwell scales, N:
scale А, HRA
 from 20 to 88
scale В, HRB
 from 20 to 100
scale С, HRC
 from 20 to 70
Brinell hardness measurement ranges, НB, HBW:
2,5/31,2 (load 306,5 N)
from 15,9 to 100
2,5/62,5 (load 613 N)
 from 31,8 to 200
5/62,5 (load 613 N)
 from 8 to 47
2,5/187,5 (load 1839 N)
 from 95,5 to 650
The limits of permissible absolute error of measuring hardness on Rockwell scales:
from 20 to 70 HRA
 ± 2,0
from 70 to 93 HRA
 ± 1,2
from 25 to 100 HRB
 ± 2,0
from 20 to 35 HRC
 ± 2,0
from 35 to 55 HRC
 ± 1,5
from 55 to 70 HRC
 ± 1,0
Limits of permissible relative error in measuring hardness according to Brinell scales, %
 ± 3,0
Limits of permissible relative error in measuring hardness according to Vickers scales, %
 ± 3,0
Limits of permissible absolute measurement error measuring microscope, mm
 ± 0,001
Working space of a measuring microscope vertically, mm
175
Depth of the working space of the measuring microscope, mm
135
Operating conditions:
air temperature, °С
 from 10 to 35
relative humidity, %
 from 50 to 80
Overall dimensions (length/width/height), mm, no more
525х240х760
Weight, kg, not more than
60
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