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Hot Selling High Accuracy Advanced Portable Digital Hardness Tester

Negotiable 1 Piece (MOQ)

Basic Info.

Model NO.
LONN140
Application
Metal
Standard
ISO
Warranty
1 Year
Mobility
Portable
Calibrating Method
Standard Hardness Test Blocks
Rated Voltage
220V
Support Language
English
Customized
Customized
Accuracy
±6hld/ ±1.5HRC
Display
LCD with Back-Light
Memory
600 Groups
PC Connection
Available
Operating Temperature
-20ºC~+60ºC
Weight
400g
Transport Package
Carton
Specification
230*86*46mm
Trademark
Lonn
Origin
China
Production Capacity
5000pieces/Month

Product Description

Hot Selling High Accuracy Advanced Portable Digital Hardness Tester Product Description Application Fields:
The bearings and other parts, heavy work-pieces, metal material, pressure vessel, failure analysis of turbine generator unit and equipment Mechanical or permanent assembly components have been installed, the test space is very narrow, requires the original record regular test results Large work-piece within a wide range of more rapid test measurement site
Optional Impact Device:


Measuring Conditions: The weight of measuring object ≥ 2kg. The thickness must be ≥ 10mm. The surface roughness must be ≤ 1.6μm. Tips: If do not meet the above conditions, the measuring object should be laminated with steel substrate by coupling agents.
Product Parameters Special Supporting Ring ( use for different shape surface):
Model Notice Model Notice
Z10-15 Outside cylinder R10-15 K10-15 Outside sphere R10-15
Z14.5-30 Outside cylinder R14.5-30 K14.5-30 Outside sphere R14.5-30
Z25-50 Outside cylinder R25-50 HK11-13 Inside sphere R11-13
HZ11-13 Inside cylinder R11-13 HK12.5-17 Inside sphere R12.5-17
HZ12.5-17 Inside cylinder R12.5-17 HK16.5-30 Inside sphere R16.5-30
HZ16.5-30 Inside cylinder R16.5-30 UN Outside cylinder, Radius can be adjusted R10-∞

Measuring Range:
Hardness Impact Device
D/DC/DS C G DL
ST&Cast ST HRC 17.1~68.5 20.0~69.5 20.6~68.2
HRB 59.6~99.6 47.7~99.9 37.0~99.9
HB 140~651 80~683 90~646 150~646
HV 83~976 80~996 85~950
HS 26.4~99.5 31.9~102.3 26.5~99.4
Forged steel HB 142~651
CWT Steel HRC 17.1~67.1 20.0~69.5
HV 83~976 80~996
Stainless HRB 59.6~99.6
HB 140~651
HV 83~976
GC Iron HB 140~334 92~326
NC Iron HB 140~387 140~364
Cast Alum. HB 30~159
Brass HB 40~173
HRB 13.5~95.3
Bronzes HB 60~290
Copper HB 45~315

Technical Specification of Impact Device
Optional Impact Device DC/D/DL/DS D+15 C G E
Impact energy 11mj 11mj 2.7mj 90mj 11mj
Impact body weight 5.5/5.5/7.2/5.5(g) 7.8(g) 3.0(g) 20(g) 5.5(g)
Hardness of Impact Ball 1600HV 1600HV 1600HV 1600HV 5000HV
Diameter of Impact Ball 3mm 3mm 3mm 5mm 3mm
Material of Impact Ball Tungsten carbide Tungsten carbide Tungsten carbide Tungsten carbide Diamond
Diameter of Impact Device 20/20/6/20mm 20mm 20mm 30mm 20mm
Length of Impact Device 86/147/202/138mm 162mm 141mm 254mm 155mm
Weight of Impact Device 50/75/60/70g 80g 75g 250g 80g
Specimen Maximum Hardness 940/940/950/940HV 940HV 1000HV 650HB 1200HV
Average roughness of specimen surface(Ra) 1.6μm 1.6μm 0.4μm 6.3μm 1.6μm
Specimen Minimum Weight
Direct Measurement Weight >5kg >5kg >1.5kg >15kg >5kg
Need to support fixed Weight 2~5kg 2~5kg 0.5~1.5kg 5~15kg 2~5kg
Need coupling support Weight 0.05~2kg 0.05~2kg 0.05~0.5kg 0.5~5kg 0.05~2kg
Specimen Minimum Thickness
Need coupling support Thickness 5mm 5mm 1mm 10mm 5mm
Hardening Layer Minimum Thickness ≥0.8mm ≥0.8mm ≥0.2mm ≥1.2mm ≥0.8mm
Size of Ball Indentation
300HD Indentation Diameter 0.54mm 0.54mm 0.38mm 1.03mm 0.54mm
300HD Indentation Depth 24μm 24μm 12μm 53μm 24μm
600HD Indentation Diameter 0.54mm 0.54mm 0.32mm 0.90mm 0.54mm
600HD Indentation Depth 17μm 17μm 8μm 41μm 17μm
800HD Indentation Diameter 0.35mm 0.35mm 0.35mm --- 0.35mm
800HD Indentation Depth 10μm 10μm 7μm --- 10μm
Impact Device Scope of application DC:Inner hole/within the cylinder; DL:slender narrow slot /hole;D:Conventional
DS:Assembly line on-line detection (loading and release is only one time)
D+15:Interface is small,long, groove or the surface of the recess C:Impact is small, undamagehardening layer, For small, light, thin parts and hardening layer G:For castings and forgings of large, thick, heavy and surface is rough E:Suitable for measuring material with very high hardness
Certifications
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