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   LM300 Series Leeb Hardness Tester
LM300 Hardness Tester
Product Name:  LM300 Series Leeb Hardness Tester
Model:  LM300 / LM330

Application::  Defecting fields such as Installed Machineary and Permanent Assembly Parts, Mould Cavity, Heavy Workpieces, Pressure Vessels, Turbine and other Equipments and Small test area.


Brief Introduction:  LM330 Portable Leeb Hardness Tester OLED Color Screen, Multifunctional and Integrated Hardness Testing Machine. Pen type design, no cable, the impact device and instrument body are integrated. Wireless Bluetooth printing. Interchangeable D/DL impact device can be used in the restricted area measurement. Bluetooth printer, no shackles of cable. Various Special Supporting Rings, Suitable for curved or irregular parts measurement.


LM300 Hardness Tester

Main Features

►Wireless pen type
►Impact device and display are integrated
►1.77”OLED color display
►Replaceable batteries
►1000 groups data can be stored(LM330 only)
►Equipped with Lmview communication software(LM330 only)
►Optional DL & D type impact devices, dual purpose instrument.
►Optional blue tooth printer, getting rid of manacle of data line.

 Product Details

LM300 Hardness Tester
LM300 Hardness Tester
LM300 Hardness Tester


Display 1.77 inch OLED with resolution 160*128 pixels
Hardness Scale HL, HB, HRB, HRC, HV, HS, Strength (σb)
Measuring Range HLD(200-960) HRC(19.8-68.5)HRB(13.5-100) HB(30-651)HV(80-976) HS(26.4-99.5)σb(375-2639)
Impact Devices D type impact device (Standard); Interchangeable DL type impact device (Optional)
Accuracy Measuring Error:±6HLD (HLD=800), Repeatability:±6HLD (HLD=800)
Measuring Direction 360 degree
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
Calibration Automatic
Language Multiple languages
Power Lithium battery (Capacity of 600 MA/H, voltage: 3.7 V) or Alkaline battery
Data Memory 1000 groups (each group includes 2-6 testing values and 1 average value)
Communication USB 2.0, Used for charging or data transfer
Software LMView software for transmission, storage and printing
Shut-off Auto off after 3 minutes of inactivity
Temperature -10℃~ +50℃
Net Weight 110g with Dtype impact device, 125g with DL type impact device
Standard Configuration LM300 Series Leeb Hardness Tester, Standard hardness Test block, Support Ring, Cleaning Brush, Packing Files
Optional Accessories Hardness Test Blocks, Bluetooth Printer, Support Ring, DL Connector.
Function Comparisons
Model LM300 LM330 LM500 LM100
Hardness Scale

HL, HB, HRB, HRC, HV, HS Strength (σb)

Measuring 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.

Display Type Color OLED Screen Color TFT LCD FSTN LCD with Backlit
Display Specification 1.77in, 160*128 2.4in with Resolution320*240 2.4in Segment Digital
Impact Device D/DL D/C/G/DL/DC
Bluetooth Printer Y N Y
Measuring Direction 360° Automatic  360° 360°
Data Memory N 1000 Groups 11000 Groups 110 Groups
Power 3.7V AAA Polymer Lithium Battery AA Battery
Communication N Y Y
Impact Device Connection Integrated Separated

Add:No.9, Shenbei Road, Shenbei New District, Shenyang, China 110136

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