Leeb Hardness Tester Landtek HM-6580

Leeb Hardness Tester Landtek HM-6580
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Leeb Hardness Tester Landtek HM-6580

Alat ukur kekerasan dalam satuan Leeb dari pabrikan Landtek

This digital hardness tester measures the hardness of sample material in terms of Hardness Leeb (HL). Its very handy portable, but powerful and versatile hardness tester for different kind of metallic materials including steel and cast steel, cold work tool steel, stainless steel, grey cast iron, nodular cast iron, cast aluminum, brass, Bronze and copper alloys with high accuracy, suitable for use under tough working conditions. Test can be at any angles, even upside down. Moreover, a thermal mini-printer can be attached to the meter for a fast on-site printing of results.



It can be used on die cavity of molds, bearings and other mass produced parts on production line, failure analysis of pressure vessel, steam generator and other equipment, heavy work piece, installed machinery and permanently assembled parts, testing surface of a small hollow space, material identification in the warehouse of metallic materials, rapid testing in large range and multi-measuring areas for large-scale work piece.



Leeb Hardness Testing Principle.
An impact body with a spherical test tip made of tungsten carbide is propelled against the sample surface by a spring force and then rebounds back. At a distance of 1mm from the sample surface, the impact and rebound velocity of the impact body are measured by the following method: A permanent magnet embedded in the impact body, when passing through the coil in its coil holder, induces in the coil an electric voltage proportional to the velocities of the magnet.



Features

* Palm size for narrow space.
* Test at any angle, even upside down.
* Direct display of hardness scales HRB, HRC, HV, HB, HS,HL.
* Large memory could store 50 groups including single measured value, impact direction, material and hardness scale etc.
* User recalibration function allowed.
* Manual or automatic shut down.
* Low battery indication.
* Use USB/RS-232 data output to connect with PC.
* Provide Bluetooth data output choice.



Material Converting Ranges
HL HRC HRB HB HS HV
30D² 10D²
Steel & Cast St. 300~900 20.0~68.0 38.4~99.5 80~647 32.5~99.5 80~940
C.W.Tool Steel 300~840 20.4~67.1 80~898
ST.Steel 300~800 19.6~62.4 46.5~101.7 85~655 80~802
Gray Cast Iron 360~650 93~334
Nodular Cast Iron 400~660 131~387
Cast Aluminum 174~560 20~159
Brass 200~550 13.5~95.3 40~173
Bronze 300~700 60~290
Copper 200~690 45~315
 

Display LCD
Materials 9 different common materials(Steel&Cast Steel,C.W.Tool Steel,Stainless Steel,Gray Cast Iron,Nodular Cast Iron,Cast Aluminum,Brass,Bronze,Copper)
Measuring Range 170~960(HLD)
Accuracy Display Error±0.8%
Repeatability ±0.6%
Conversion HL-HRC-HRB-HB-HV-HSD
Memory 50Data Can Be Stored And Re-readable
Impact device Probe D,Weight:75g
Storage Temperature -30~60ºC
Operating Conditions Temperature -10~50ºC
Humidity <90%RH
Power Supply 2X1.5V AA(UM-3)Battery
Dimensions 130x76x32mm
Weight 340g(Not Including Batteries)


rial Converting Ranges
HL HRC HRB HB HS HV
30D² 10D²
Steel & Cast St. 300~900 20.0~68.0 38.4~99.5 80~647 32.5~99.5 80~940
C.W.Tool Steel 300~840 20.4~67.1 80~898
ST.Steel 300~800 19.6~62.4 46.5~101.7 85~655 80~802
Gray Cast Iron 360~650 93~334
Nodular Cast Iron 400~660 131~387
Cast Aluminum 174~560 20~159
Brass 200~550 13.5~95.3 40~173
Bronze 300~700 60~290
Copper 200~690 45~315
 

Display LCD
Materials 9 different common materials(Steel&Cast Steel,C.W.Tool Steel,Stainless Steel,Gray Cast Iron,Nodular Cast Iron,Cast Aluminum,Brass,Bronze,Copper)
Measuring Range 170~960(HLD)
Accuracy Display Error±0.8%
Repeatability ±0.6%
Conversion HL-HRC-HRB-HB-HV-HSD
Memory 50Data Can Be Stored And Re-readable
Impact device Probe D,Weight:75g
Storage Temperature -30~60ºC
Operating Conditions Temperature -10~50ºC
Humidity <90%RH
Power Supply 2X1.5V AA(UM-3)Battery
Dimensions 130x76x32mm
Weight 340g(Not Including Batteries)
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