Taber Multi-Finger Scratch/Mar Tester

Taber Multi-Finger Scratch/Mar Tester

The TABER ® Multi-Finger Scratch / Mar Tester is used to measure the relative resistance or susceptibility of a material surface to scratching, marring, gouging, scraping, engraving and other similar physical damage that can’t be classified as ordinary wear.

The TABER ® Multi-Finger Scratch / Mar Tester is used to measure the relative resistance or susceptibility of a material surface to scratching, marring, gouging, scraping, engraving and other similar physical damage that can’t be classified as ordinary wear.

The Multi-Finger Scratch / Mar Tester includes a pneumatically driven, move-able platform to which the test specimen is mounted. The platform moves in a linear fashion, and is operated by a control knob for single or multiple pass testing. An electronic timer displays the rate of speed, which can be controlled by reducing or increasing air pressure.

A gantry supports five independent splined-fingers, which provide a constant, vertical load on interchangeable scratch tips. The gantry system includes a handle to raise and lower the arms. In addition, five support rests are incorporated to allow one or more arms to be moved to an upright, rest position such that the arm does not contact the specimen during testing.

Individual weights of varying loads mount to the top of each arm finger to exert a standard force on the surface of the test material. Each instrument includes a weight set of 2N, 3N, 4N, 5N, 6N, 7N, 10N, 15N and 20N loads. Optional weights sets are also available consisting of either 4N, 8N, 9N, 13N or 8N, 13N, 18N weights. In additional, an optional weight of 25N or Precision Weight Kit to achieve 0.6N loads are available.

Although flat specimens up to 22mm thick are normally tested, the ‘free-floating’ arms fingers enable you test evaluate slightly contoured specimens provided they are rigid or adequately supported. A spring-loaded specimen holder is standard and can be mounted to the end or side of the moveable platform for greater flexibility. To mount contoured specimens, two specimen hold-down clamps are provided. An optional 5mm spacer set is available to raise the gantry to accommodate specimens that are greater than 22mm thick.

Order Id
Description
980710
Multi-Finger Scratch and Mar Tester incl.:
• Spline Shaft ‘Finger’ Assembly (5 ea.)
•9 pc. Weight Set (2N, 3N, 4.5N, 5N, 6N, 7N, 10N, 15N, 20N)
• Scratch Tips with 1.0 mm dia. hemisphere (5 ea.)
• Mar Tips with 7.0 mm dia. hemisphere
• Specimen Clamp (2 ea.)
• Specimen Platform Protective Guard (installed)
• Operating Instructions
Multi-Finger Scratch / Mar Tester -Weights
132740
Precision Weight Kit (mount to spline shaft to achieve 0.6N load)
132351-x
Multi-Finger Scratch / Mar Tester Weight – 1N, 2N, 3N, 4N, 4.5N, 5N, 6N, 7N, 8N, 9N, 10N, 12N, 12.5N, 13N, 15N, 18N, 20N, 25N (referenced in Chrysler LP-463DD-18-01)
135085
Optional Weight Set – 4N, 8N, 12N (referenced in Chrysler LP-463-DD-18-01)
134297
Optional Weight Set – 4N, 8N, 9N, 12N
132401
Optional Weight Set – 8N, 13N, 18N (referenced in GMN3943)
Multi-Finger Scratch / Mar Tester –Scratch Tools
132347
Scratch Tip, 1.0 mm diameter hemisphere (ea.)
132532
Scratch Tip, 1.0 mm diameter hemisphere (set of 5)
132348
Mar Tip, 7.0 mm diameter hemisphere (ea.)
132533
Mar Tip, 7.0 mm diameter hemisphere (set of 5)
Various
• Conical Scratch Tip, 0.10 mm Diameter [0.05 mm RAD] (9g)
• Conical Scratch Tip, 0.25 mm Diameter [0.125 mm RAD] (9g)
• Conical Scratch Tip, 0.30 mm Diameter [0.15 mm RAD] (9g)
• Conical Scratch Tip, 0.40 mm Diameter [0.20 mm RAD] (10g)
• Conical Scratch Tip, 0.50 mm Diameter [0.25 mm RAD] (10g)
• Conical Scratch Tip, 0.60 mm Diameter [0.30 mm RAD] (10g)
• Conical Scratch Tip, 0.75 mm Diameter [0.375mm RAD] (10g)
• Conical Scratch Tip, 1.0 mm Diameter [0.50 mm RAD] (10g)
132533
• Diamond Tool Holder [includes 121006 conical diamond tool w/90° 3 mil (0.003”) radius point]
• Diamond Tool Holder [includes 121006-1 conical diamond tool w/90° 3.5 mil (0.0035”) radius point]
• Diamond Tool Holder [includes 121006-2 conical diamond tool w/60° 0.3 mm radius point]
134581
5 mm Spacer Set (2 each)
132455
Specimen Hold-down Clamp, replacement (ea.)
132451
Specimen Platform Protective Guard, replacement
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