Digital Birnell Hardness Tester LHD-3000D

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Digital Brinell Hardness Tester LHB-3000D - Closed loop sensor loading, electric system

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The advanced, high precision LHB 3000D digital Birnell Hardness tester is an electrical control system with test load applied through a closed loop control unit to provide precise test force application. With a ten (10) level test force, load selection is done by keyboard and converted to different hardness scales. It is equipped with a 20X magnification microscope to measure the diameter of Birnell indention. Data of test results is displayed on large LCD screen and output via printer.
The LHB – 3000D is ideal for testing hardness in industries such as metallurgy, metrology, building materials, research institutes, automotive, railway, energy, steel, aviation, etc,. Materials can be tested such as cast iron, non-ferrous metals and alloys, quenched and tempered steel, etc,.
Main Features
Closed loop sensor loading
Electric control system
Manual Turret
Minimum measuring unit: 0.0625 micron
10 – level Test force range 62.5kgf to 300kgf
Hardness scale conversion function
Digital display, large LCD multi- function screen
Built-in printer for data output
Optional high-definition CCD camera and system

Model LHB 3000D Birnell Hardness Tester
Testing Force 3000 kgf (29400N), 1500 kgf (14700N), 1000 kgf (9800N), 750 kgf (7355N), 500 kgf (4900N), 250 kgf (2452N), 187.5 kgf (1839N), 125 kgf (1226N),100Kgf (980N), 62.5Kgf (612.9N)
Measuring Range 8 to 650 HBW
Duration Time 5-60s
Maximum Specimen height 220mm
Minimum measuring unit 0.0625 microns
Magnification 20X
Birnell Scale HBW2.5/62.5, HBW2.5/187.5, HBW5/62.5, HBW5/125, HBW5/250, HBW5/750, HBW10/100, HBW10/3000
Standards EN ISO 6507, EN ISO 6506, ASTM E 10-08, ASTM -348, GB/T231 2, JJG150
Distance of Indenter to outer wall 145mm
Power Supply 120V/60Hz
Overall Dimension 550*250*780mm
Net weight 150kg

Standard Accessories
Main unit (1), Microscope 20X (1), HBW187.5/2.5, HBW10/100, HBW10/3000 (1), Diameter fastening screw (1), Power cable (1), Paper for printer (1), Case (1), Diameter 2.5, 5, 10mm steel ball indenter (3), Large, medium V shaped testing table (3), 2A Fuse (1), Dust proof covering (1), User manual & certificate
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Digital Brinell Hardness Tester LHB-3000D - Closed loop sensor loading, electric system




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