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The Pendulum Skid Tester is the high quality skid resistance testing equipment. Originally designed in the 1940s in the US, the instrument was further developed in the 1960s at the UK Transport Research Laboratory for the testing of road surfaces. The pendulum measures the frictional resistance between a rubber slider mounted on the end of a pendulum arm and the test surface. This provides highway engineers with a routine method of checking the resistance of wet and dry surfaces to slipping and skidding, both in the lab and on site. It is based on the Izod principle: a pendulum rotates about a spindle attached to a vertical pillar. At the end of the tubular arm a head of known mass is fitted with a rubber slider. The pendulum is released from a horizontal position so that it strikes the sample surface with a constant velocity. The distance travelled by the head after striking the sample is determined by the friction of the sample surface. A reading of Skid Resistance is obtained

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Case Dimension: 700x300x700mm

Key Features
Designed for laboratory and in situ road surface testing
Dispatched calibrated to EN1097-8 (accredited under ISO 9001:2000)
Low friction arm, and lightweight pointer
Comes with integral ‘F’ scale for use with small slider set for 76mm slide length. (PSV test)
Repeatable and reproducible
Supplied with robust carrying case
Made in the United Kingdom

Key Uses :
Assessment of surface friction and skid resistance properties
Testing of aggregates in the PSV (Polished Stone Value) test
Testing of new road surface materials under development
Testing of pedestrian walkways
Traffic accident investigations
Litigation investigations
Testing of pavers in the Flat Bed Polisher

BS 812 Pt. 114
BS EN 1097-8 Determination of Polished Stone Value
AS/NZS 4586:1999 Slip resistance classification of new pedestrian surface materials
BS 6077 Pt 1 Clay and calcium silicate pavers for flexible pavements.
BS 7044 Artificial sports surfaces: person/surface interaction.
BS 7188 Impact absorbing playground surfaces
BS 8204 In-situ flooring, part 3 Code of practice for polymer modified cementitious wearing surfaces.
ASTM E303 Standard Method for - Measuring Surface Frictional Properties Using British Pendulum
BS 7976 Method of operation and calibration of the pendulum tester.
EN 1436 : 1997 Road Marking Materials BS EN 13036-4:2003 Road and Airfield surface characteristics


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