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Revetest Scratch Tester:
RST³

  • media
  • +4
  • 360°
  • Measurement of coating adhesion and scratch resistance
  • Full panorama image synchronized with all other signals such as penetration depth, friction force, and acoustic emission
  • Compliant with ASTM C1624, ISO 20502 and ISO EN 1071
  • Force measurement up to 200 N
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The Revetest® scratch tester is the industrial standard widely used for characterizing hard-coated materials with a typical coating thickness exceeding 1 μm. RST³ is a reliable instrument for the characterization of both coating/substrate adhesion and surface anti-scratch resistance. Equipped with an easy-to-use software package, it is possible to perform scratch tests in a wide variety of testing modes, including simple scratch testing, advanced scratch testing (with pre-scan and post-scan), scratch map, scratch map by stage, user-defined scratch, etc. Anton Paar is the world leader in scratch testing with more than 1,500 Revetest® instruments sold.

Key features

Patented synchronized panorama mode

Patented synchronized panorama mode

This unique feature is exclusive to Anton Paar scratch testers. It automatically synchronizes the recording of all sensor signals with the whole scratch image in perfect focus. In this way the measurement curve can be analyzed exactly parallel to the scratch picture on one page. Anton Paar holds the patents US 12/324, 237, and EP 2065695 for the synchronized panorama mode.

Measurements on curved and uneven surfaces

Measurements on curved and uneven surfaces

Due to its unique force sensor control, the Revetest® scratch system detects every surface deviation and the active force feedback corrects this deviation. By following the shape of the sample with total control of the desired load, RST³ is also capable of performing perfectly reliable measurements on uneven and curved surfaces.

Compliant with ASTM C1624, ISO 20502 and ISO EN 1071

Compliant with ASTM C1624, ISO 20502 and ISO EN 1071

Anton Paar works closely with standardization organizations such as ISO, ASTM, DIN, and others in order to support our customers to meet the high requirements they have for their own products, especially in quality control, where standards are often essential. By certifying our products accordingly, we can guarantee high-quality products and services in terms of safety, reliability, and environmental friendliness.

High flexibility on scratch measurements

High flexibility on scratch measurements

The indenter tips in the indenter holder can be changed in an easy and quick way. Tips of different diameters and angles are available. The same indenter holder can be used for different kinds of tips such as spherical tips (1, 5, 20, 200, 800, ... μm tips with open angles of 120° or 90°), Berkovich tips, or Vickers tips.

Automatic detection of critical loads

Automatic detection of critical loads

The critical load data is used to quantify the adhesive properties of different film-substrate combinations by using different sensors (acoustic emission, penetration depth, friction force) and video microscope observations. With the new easy-to-use software, all critical loads can be detected automatically. The user only needs to set up some threshold values and start the automatic analysis of critical loads (Lc). RST³ is the only scratch tester on the market with automatic detection of critical loads.

Technical specifications

Normal load Fine range Large range
Max. load [N] 100 200
Resolution [mN] 0.1 0.2
Noise floor [rms] [μN]* 1000  
Penetration depth Fine range Large range
Max. depth [μm] 100 1000
Depth resolution [nm] 0.05 0.5
Noise floor [rms] [nm]* 2.5  
Friction load Fine range Large range
Max. friction [N] 100 200
Friction resolution [mN] 0.1 0.2

 

Acoustic emission sensor 

  • Central frequency: 150 kHz 
  • Dynamic range: 65 dBae 
  • Maximum amplification: 200,000 x 

Scratching speed 

  • From 0.4 mm/min to 600 mm/min 

Scratch tables 

  • Scratch length: up to 70 mm 
  • Inline scratch inspection: up to 30 mm 
  • Scratch speed: 0.4 mm/min to 600 mm/min 

*Noise floor value specified under ideal laboratory conditions and using an anti-vibration table.

Standards

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ASTM

C1624
D7027
G171

DIN EN

1071

ISO

20502
27307:2015

Anton Paar Certified Service

The Anton Paar quality in service and support:
  • More than 350 manufacturer-certified technical experts worldwide
  • Qualified support in your local language
  • Protection for your investment throughout its lifecycle
  • 3-year warranty
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Consumables & Accessories

Consumables & Accessories

Not all items are purchasable online in specific countries.

To find out if you can purchase online from your location, check the online availability below.

VICKERS DIAMOND FOR MCT / RST

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Part number: 144951

KNOOP DIAMOND FOR MXT / RST

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Part number: 144954

SPHEROCONICAL DIAMOND R = 20 µm / 120° FOR MXT / RST ROCKWELL

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Part number: 144992

SPHEROCONICAL DIAMOND R = 50 µm / 120° FOR MCT / RST ROCKWELL

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Part number: 144993

SPHEROCONICAL DIAMOND R = 100 µm / 120° FOR MCT / RST ROCKWELL

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Part number: 144994

SPHEROCONICAL DIAMOND R = 200 µm / 120° FOR MXT / RST ROCKWELL

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Part number: 144995

SPHEROCONICAL DIAMOND R = 10 um / 90° FOR MXT / RST

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Part number: 145003

STEEL 100 CR6 BALLS D= 10mm, 5 PCES

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Part number: 145527

STEEL 440C BALLS D= 6 mm, 20 PCS

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Part number: 145532

STEEL AISI 420 BALL D = 6 mm, 20 PCS

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Part number: 145538

STEEL 100 CR6 BALLS D= 6 mm, 20 PCS

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Delivery time: %1$s – %2$s working days %1$s – %2$s weeks %1$s – %2$s months
Part number: 145526