Metal Hardness Tester HLN-11A

Features of HLN-11A

Model HLN-11A

Metal Hardness Tester HLN-11A

  • D probe is for standard use.
  • DC probe is short and is convenient in small space.
  • DL type is used in confined surfaces such as gear wheels.
  • D+15 type is for measuring in grooves or recessed surfaces.
  • C type is used on surface-hardened, coated, thin-walled or impact sensitive components.
  • G type is used on heavy and rough cast and forged work pieces.

Specifications of HLN-11A (with impact device D)

Measuring accuracy ??.8% of reading at LD=800
Repeatability 0.8% of reading at LD=800
Minimum sample weight 4.4 lb (2 kg)
(if coupled) 0.22 lb (100g)
Minimum sample thickness 0.2 in(5mm)
(if coupled) 0.1 in(3mm)
Minimum radius of curved surface 1.2 in (30mm)
(with support rings) 0.4 in (11mm)
Min. thickness of hardened surface 0.8mm
Maximum sample hardness 900HLD(68HRC)
Hardness measurement value HLD, HRC, HRB, HB, HV and HSD
Automatic calculation Average test value
conversion of hardness value to strength value (s)
Onboard memory 9 data
Standard impact device Model D
Optional impact device DC, DL, D+15, C, G
Automatic identification of impact device ??
Impact direction 0?? ??5?? ??0??/td>
Tungsten carbide test tip ??
Operating voltage 5.0V NiMH rechargeable batteries
Operating temperature Processor 4.7?? to 104?? Probe -4?? to 248??
Weight approximate 1.4 lb
Dimentions 10.6 x 3.4 ??1.8 in (270 ??86 ??47mm)
Compact carrying case ??
removable micro printer ??

Features of HLN-11A

Model: D/DC/DL D+15 C G
Impact energy: 11Nmm 11Nmm 2.7Nmm 90Nmm
Mass of the impact body: 5.5 / 5.5 / 7.3g 7.8g 3.0g 20g
Probe diameter: 20/20/5mm 20mm 20mm 30mm
Probe length: 147/86/202mm 162mm 141mm 254mm
Probe weight 75/50/87g 80g 75g 250g
Max. hardness of sample: 940/940/950HV 940HV 1000HV 650HB
Preparation of surface: ?? ?? ?? ??
.Roughness class ISO N7 N7 N5 N9
.Max. roughness depth Rt. 10µm 10µm 2.5µm 30µm
.Average roughness Ra 2µm 2µm 0.4µm 7µm
Min. weight of sample: ?? ?? ?? ??
.Of compact shape 5kg 5kg 1.5kg 15kg
.On solid support 2kg 2kg 0.5kg 5kg
.Coupled on plate 100g 100g 20g 500g
Min. thickness of sample: ?? ?? ?? ??
.Coupled 3mm 3mm 1mm 10mm
.Min. thickness of layers 0.8mm 0.8mm 0.2mm 1.2mm
Test tip: ?? ?? ?? ??
.Hardness 1600HV 1600HV 1600HV 1600HV
.Diameter 3mm 3mm 3mm 5mm
.Material Tungsten carbide
Indentation: ?? ?? ?? ??
Diameter -with 300 HV 0.54mm 0.54mm 0.38mm 1.03mm
Depth -with 300HV 24µm 24µm 12µm 53µm
Diameter -with 600 HV 0.54mm 0.54mm 0.32mm 0.90mm
Depth -with 600HV 17µm 17µm 8µm 41µm
Diameter -with 800 HV 0.35mm 0.35mm 0.35mm ~
Depth -with 800HV 10µm 10µm 7µm ~


 

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