Boshi Electronic Instrument Description PHB-3000 Hardness Tester adopts hydraulic principle and applies 3000kgf test force by hand operation. The central part of PHB-3000 is a small hydraulic system in which a release valve is used to control the test force. When the test force rises 3000kgf, the release valve will open and pressure will fall down, and it needs to apply the test force repeatedly 3-4 times to make the needle of the pressure gauge point to 3000kgf for 3-4 times. Thus it is equivalent to the test condition of Brinell hardness testing method to hold 3000kgf test force with 10mm ball for 10-15 seconds, which complies with ASTM E110. Technical Datas Test Force: 3000kgf(1000kgf, 750kgf, 500kgf optional) Test Ball: 10mm Carbide test ball (5mm optional) Test Range: 32-650HBW Opening Dimension: 350mm(Height)*100mm(Throat depth) Indicator Error: Complies with ISO 6506, and ASTM E10 Repeatability Error: Complies with ISO 6506, and ASTM E10 Test Force Error: ≤1% and Complies with ISO 6506, and ASTM E10           Note All products have been checked and packaged in good condition before shipping. After your order is confirmed,the product will be sent to your hands for 7-13 workdays. If you have any question, please feel free to contact with us . We will try our best to give you a satisfactory solution.
A**R
Chinese knock off
This is the Chinese knock off
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