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|Reading:||Touch Screen Display||Data Output:||Built-in Printer, RS232 Interface|
|Magnification:||20X||Dwell Time:||0~60 Seconds, Adjustable|
|Height:||Max Specimen Height 220mm||Throat:||Max Horizontal Space 135mm|
Touch Controller Scales Conversion Digital Brinell Hardness Testing Machine with Thermal Printer
iqualitrol HBST-3000 digital Brinell hardness tester adopts precise structure design and the load of test force is controlled by the sensor, which makes the whole structure compact and loading of test force stable and exact.
All the parameters can be showed and set on the touch screen with easy operation.
The test process is controlled by CPU, using automatic switching between the objective and the indenter.
The location of switching adopts mechanical and electronic double matching, makes the location precision more high.
The instrument has 10 steps test force and 13 kinds of Brinell testing scale for arbitrary selection;
Pre-set the dwell time of test force and regulate the luminosity of light source; Automatically display the testing indentation length, hardness value and testing numbers; Conversion scales of different kinds of hardness;
Test results can be saved for checking or be printed out by the built-in printer, and with RS232 interface for connecting to the computer.
Available to install optional video measuring device and CCD image automatic measuring system.
Suitable for cast iron, steel products, nonferrous metals and soft alloys etc. Also suitable for some nonmetal materials such as rigid plastics and bakelite etc.
|Scales||HBW2.5/62.5, HBW2.5/187.5, HBW5/62.5, HBW5/125, HBW5/250, HBW5/750, HBW10/100, HBW10/250, HBW10/500, HBW10/1000, HBW10/1500, HBW10/3000|
|Test Force||62.5kgf(612.9N), 100kgf(980.7N), 125kgf(1226N), 187.5kgf(1839N), 250kgf(2452N), 500kgf(4903N), 750kgf(7355N), 1000kgf(8907N), 1500kgf(14710N), 3000kgf(29420N)|
|Loading Control||Automatic (Loading/Dwell/Unloading)|
|Indenter to Upper Wall||55mm, support customized|
|Execute Standards||EN ISO 6506, ASTM E-384, ASTM E-10-08, ASTM E-384 GB/T231.2, JJG150|
|Hardness Reading||Automatic Calculation and display|
|Data Output||Built-in Printer, USB|
|Digital Eyepiece||1 Set||Indenter 2.5mm, 5mm, 10mm||Each one piece|
|Test Block||3 Pieces||Test Anvil big and “V”||Each one piece|
|Power cable||1 Piece||Quality certificate, Manual||Each one copy|
|Fuse||2 Pieces||Printing paper||1 piece|
|Level||1 Piece||Anti-dust Cover||1 piece|
Brinell hardness test method:
The Brinell hardness test method consists of indenting the test material with a 10 mm diameter hardened carbide ball subjected to a load of 3000 kg. For softer materials the load can be reduced to 1500 kg or 500 kg to avoid excessive indentation.
The full load is normally applied for 10 to 15 seconds in the case of iron and steel and for at least 30 seconds in the case of other metals. The diameter of the indentation left in the test material is measured with a low powered microscope. The Brinell harness number is calculated by dividing the load applied by the surface area of the indentation.
The diameter of the impression is the average of two readings at right angles and the use of a Brinell hardness number table can simplify the determination of the Brinell hardness. A well structured Brinell hardness number reveals the test conditions, and looks like this, "75 HB 10/500/30" which means that a Brinell Hardness of 75 was obtained using a 10mm diameter hardened steel with a 500 kilogram load applied for a period of 30 seconds.
On tests of extremely hard metals a tungsten carbide ball is substituted for the steel ball. Compared to the other hardness test methods, the Brinell ball makes the deepest and widest indentation, so the test averages the hardness over a wider amount of material, which will more accurately account for multiple grain structures and any irregularities in the uniformity of the material. This method is the best for achieving the bulk or macro-hardness of a material, particularly those materials with heterogeneous structures.
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Contact Person: iqualitrol