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I have been using a portable hardness tester for the past 10 years, my old unit ...
James stewart on 09/10/2013
5
Your DL probe calibrates better than any EquoTip probe I have ever used. I love...
Donald Norsworthy on 07/01/2014
5
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THX281 Portable Hardness Tester with Software

Price: $1,595.00 $739.00
Product Code:  thx281_a
Availability:  In Stock
Condition:  New
3 reviews  (3 reviews)   |   Write a review

Very rugged unit in aluminum case.

NOTE: Rebound type testers are NOT suitable for thin light weight parts like sheet metal, knives, bolts, nuts, washers etc.

Guaranteed lowest price anywhere.

We made a larger than normal volume purchase of these units to get the best price and pass the savings along to you. So this is a strictly limited time deal.

 Many features that other testers don't have or if they do just some where this one has them all!!!. Advanced PC software included with bar charts, print capability, USB 2.0 interface, connect to all the options for probe types, C, G, DL etc.

Device conforms to the Standard ASTM A956-02 & DIN 50156 .

Features

  • 2 year warranty on tester and probe. Impact body is considered a consumable item and its life is dependent material hardness and on amount of use.
  • Rugged aluminum case is drop resistant
  • Membrane keyboard is water proof.
  • Bright LCD display of 128×64 matrix with back-light.
  • Converts to all common hardness scales (HV,HB,HRC,HRB,HRA,HS).
  • Easy and convenient menu operation.
  • Powerful PC Software included free with computer connection via USB 2.0 interface. Download latest driver HERE
  • 7 types of Optional Impact Device, with auto recognition. Universal D type standard and included
  • Memory of 600 groups of data(impact times:32~1).
  • Upper and lower limits can be preset. Audible alarm.
  • Material types for testing: Steel and Cast steel, Forged Steel, Cold Work Tool Steel, Stainless Steel, Gray Cast Iron, Nodular Cast Iron, Cast Aluminum Alloys, Brass (Copper-zinc alloys), Bronze (copper-aluminum/copper-tin alloys), Wrought Copper Alloys
  • Print to USB Printer ( not included) automatically with each test or on demand.
  • Powered by 2 AA batteries. Continuous working time ( no back light ) approx 100 Hrs
  • Simple recalibration.
  • Auto power off
  • Rugged Pelican type carry case

Included with purchase
 

Seq

Name

Qty

Remark

1

THL280 Main Unit

1

Standard configuration

2

2nd Gen Impact Device Type D

1

Standard configuration

3

Leeb Standard Test Block

1

Standard configuration

4

Cleaning Brush

1

Standard configuration

5

Supporting Ring

1

Standard configuration

6

Communication Cable

1

Included Free

7

Manual

1

Standard configuration

8

Rugged Carrying Case

1

Standard configuration

9

THX281 DataPro Software

1

Included Free

10

Battery

Specifications

  • Hardness scale HL, HB, HRB, HRC, HRA, HV, HS
  • Memory 48~600 groups (impact times: 32~1)
  • Measuring range HLD(170~960)
  • Accuracy ±4HLD (760±30HLD) error of displayed value
  • 4HLD (760±30HLD) repeatability of displayed value
  • Standard Impact Device D
  • Optional Impact Devices DC/D+15/G/C/DL
  • Max. Workpiece Hardness 996HV(For Impact Devices D/DC/DL/D+15/C)
  • Max. Workpiece Hardness 646HB(For Impact Device G)
  • Min. Radius of Workpiece (convex/concave) Rmin = 50mm (with special support ring Rmin= 10mm)
  • Min. Workpiece weight 2~ 5kg on stable support
  • 0.05~ 2kg with compact coupling
  • Min. Workpiece thickness 5mm (Impact Devices D/DC/DL/D+15)
  • when coupled 1mm (Impact Device C)
  • 10mm (Impact Device G)
  • Min. thickness of hardened surface 0.8mm
  • Power AA Size 1.5V
  • Continuous Working time approx. 100 h (backlight off)
  • Operating temperature 0~ 40℃
  • Relative humidity ≤90%
  • Overall dimensions 152×84× 34mm (main unit)
  • Weight 0.3kg (main unit)

Optional Impact Devices

Impact device

D

DC

DL

D+15

C

G

Application

For the majority of your hardness testing requirements.

Use in very confined spaces, e.g. in holes, cylinders or for internal measure‐ ments on assembled machines.

For measurements in extremely confined spaces or at the base of grooves.

For measurements in grooves or recessed surface.

Surface hardened components, coatings, thin walled or impact sensitive components (small measuring indentation).

Solid components. E.g. heavy castings and forgings.

Impact energy

11Nmm

11Nmm

11Nmm

11Nmm

3Nmm

90Nmm

Mass of impact body

5.5g

5.5g

7.3g

7.8g

3g

20g

Tip

Diameter

3mm

3mm

3mm

2.78mm

3mm

5mm

Hardness

1600HV

1600HV

1600HV

1600HV

1600HV

1600HV

Material

Tungsten carbide

Tungsten carbide

Tungsten carbide

Tungsten carbide

Tungsten carbide

Tungsten carbide

Impact device

Length

147mm

86mm

202mm

162mm

141mm

254mm

Diameter

20mm

20mm

20mm

20mm

20mm

30mm

Weight

75g

50g

100g

80g

75g

250g

Max. hardness of sample

940HV

940HV

950HV

940HV

1000HV

650HB

The average roughness of sample

Ra: 1.6μm

Ra: 1.6μm

Ra: 1.6μm

Ra: 1.6μm

Ra: 0.4μm

Ra: 6.3μm

Min. weight of sample

of compact shape

5 kg / 11lbs

5 kg / 11lbs

5 kg / 11lbs

5 kg / 11lbs

1.5 kg / 3.3 lbs

15 kg / 33 lbs

on solid support

2 kg / 4.5 lbs

2 kg / 4.5 lbs

2 kg / 4.5 lbs

2 kg / 4.5 lbs

0.5 kg / 1.1 lbs

5 kg / 11 lbs

coupled on plate

0.05 kg / 0.2 lbs

0.05 kg / 0.2 lbs

0.05 kg / 0.2 lbs

0.05 kg / 0.2 lbs

0.02 kg / 0.045 lbs

0.5 kg / 1.1 lbs

Min. thickness of sample

uncoupled

25 mm / 0.98 inch

25 mm / 0.98 inch

25 mm / 0.98 inch

25 mm / 0.98 inch

15 mm / 0.59 inch

70 mm / 2.73 inch

coupled

3 mm / 0.12 inch

3 mm / 0.12 inch

3 mm / 0.12 inch

3 mm / 0.12 inch

1 mm / 0.04 inch

10 mm / 0.4 inch

surface layer thickness

0.8 mm / 0.03 inch

0.8 mm / 0.03 inch

0.8 mm / 0.03 inch

0.8 mm / 0.03 inch

0.2 mm / 0.008 inch

 

Indentation size on test surface with 300 HV, 30 HRC

diameter

0.54 mm / 0.21 inch

0.54 mm / 0.21 inch

0.54 mm / 0.21 inch

0.54 mm / 0.21 inch

0.38 mm /0.015 inch

1.03 mm / 0.04 inch

depth

24 μm / 960 μinch

24 μm / 960 μinch

24 μm / 960 μinch

24 μm / 960 μinch

12 μm / 480 μinch

53 μm / 2120 μinch

Indentation size on test surface with 600 HV, 55 HRC

diameter

0.45 mm /0.017 inch

0.45 mm /0.017 inch

0.45 mm /0.017 inch

0.45 mm /0.017 inch

0.32 mm / 0.012 inch

0.9 mm / 0.035 inch

depth

17 μm / 680 μinch

17 μm / 680 μinch

17 μm / 680 μinch

17 μm / 680 μinch

8 μm / 2560 μinch

41 μm / 1640 μinch

Indentation size on test surface with 800 HV, 63 HRC

diameter

0.35 mm / 0.013 inch

0.35 mm / 0.013 inch

0.35 mm / 0.013 inch

0.35 mm / 0.013 inch

0.30 mm / 0.011 inch

 

depth

10 μm / 400 μinch

10 μm / 400 μinch

10 μm / 400 μinch

10 μm / 400 μinch

7 μm / 280 μinch

 

 

Materials HV HB HRC HRB HSD Tensile strength (MPa)
Steel & Cast Steel 83-976 127-651 17.9-68.5 59.6-99.6 32.5-99.5 See Table Below
Cold Work Tool Steel 80-898   20.4-67.1      
Stainless Steel 85-802 85-655   46.5-101.7    
Grey Cast Iron   93-334        
Ductile Iron   131-387        
Cast Aluminum Alloys   19-164   23.8-84.6    
Brass   40-173   13.5-95.3    
Bronze   60-290        
Copper   45-315        
Forging Steel   142-651        

 

Materials No. HLD Tensile strength (MPa)
Mild Steel 1 350~522 374~780
High Carbon Steel 2  500~710 737~1670
Cr Steel 3 500~730 707~1829
Cr-V Steel 4 500~750  704~1980
Cr-Ni Steel 5 500~750 763~2007
Cr-Mo Steel 6 500~738  721~1875
Cr-Ni-Mo Steel 7 540~738  844~1933
Cr-Mn-Si Steel 8 500~750  755~1993
Super Strength Steel 9 630~800  1180~2652
Stainless Steel 10 500~710 703~1676

How to calibrate a THX281 portable hardness tester

by CIMETRIX Staff on 17 Mar 2014
This is a short video on how to calibrate a THX281 portable hardness tester. Also shows how to change the language.
View more

THX281 Features and Use

by CIMETRIX Staff on 02 Dec 2013
Brief description of the use and a THX271 portable hardness tester. Features and use. Very popular and incredible price.
View more
Reviews about THX281 Portable Hardness Tester with Software
Average rating: 3 reviews
Total reviews: 3
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