Pen style Hardness Tester LM 300

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Hardness Tester, Pen-Style, LM 300

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The LM 300 is a Pen type designed hardness tester with D device. It has a 1.77” large-screen OLED color display. The D impact device is used in difficult to access areas of measurements. LM 300 is accurate in any impact direction 360°. It automatically identifies impact direction and gravity compensation. LM300 hardness pen tester conforms to ASTM A956 and GB/T 17394-1998.
The following materials can be selected: Steel / Cast Steel, Gray Cast Iron, Nodular Cast Iron, Cast Aluminum, Brass, Bronze, Copper, Stainless Steel, Forged Steel and Tool Steel*. LM 300 Hardness Tester Kits Include: main device, D Type Impact Device , Test Block with HLD value, Small supporting ring, Charger, Cleaning brush, Instruction Manual, Warranty Certificate, Certificate of Conformity, Instrument Carrying Case.
Technical Specifications
Measuring Method: Leeb hardness testing method
Hardness Scale: HL, HB, HRB, HRC, HV, HS Strength (σb). Measuring Range: HLD (200-960) HRC(19.8-68.5) HB(30-651) HV(80-976) HS (26.4-99.5) HRB(13.5-100)σb (375-2639).
Impact Device: D type impact device (Standard);
Accuracy: Measuring Error﹤6HLD (HLD=800), Repeatability ﹤6HLD (HLD=800)
Measuring Direction: Vertically downward, inclined downward 45 degrees, Level, inclined upward 45 degrees, vertically upward, 360 degrees by manual setting(Only for LM330).
Material: Steel& Cast Steel, Stainless Steel, GC IRON, NC IRON, Cast Aluminum alloy, Copper-zinc alloy, Copper-tin alloy, Brass, Forged Steel, Alloy Tool Steel.
Resolution: 1HL, 1HV, 1HB, 0.1HRB, 0.1HRC, 0.1HS
Display: OLED full color dot matrix screen
Memory: 1000groups (each group includes 2-6 testing values and 1 average value)
Communication: USB 2.0
Power: Polymer lithium battery, Capacity of 600 MA/H, voltage: 3.7 V, or AAA Alkaline Batteries

Working Temperature: -10℃~ +50℃
Size: 149MM*45MM
Weight: 110g
Battery: 10g
Standard: GB/T 17394-1998, ASTM A956
3.2 Applications
Installed machinery and permanent assembly parts
Mould cavity
Heavy workpieces
Conduct Failure analysis of pressure vessel, turbine and other Equipment.
Small test area
The production line of Bearings and other parts
Distinguish the material of the metal material warehouse

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Hardness Tester, Pen-Style, LM 300