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Home  >>  Products  >>  Measuring Instruments  >>  Pendulum Skid Tester

Pendulum Skid Tester

ASTM E303, BS 7188, BS EN 1097-8, BS 6077 Pt1, BS 7044, AS/NZS 4586:2013

The Cooper-Wessex Pendulum Skid Tester is the established world leader in its field equipment.
The Pendulum Skid Tester 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. 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.

Pendulum Skid Tester


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.

  • 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
  • Great for assessment of surface friction and skid resistance properties, and the testing of aggregates in the PSV (Polished Stone Value), new road surface materials under development, pedestrian walkways,traffic accident investigations, litigation investigations, and pavers in the flat bed polisher
  • Made in the United Kingdom

Technical Data

Technical Data
Description Name Slider Usage
TRRL 3.0 Slider 55 Road surfaces, surfaces rougher than normal floors
TRRL 1.250 Slider 55 PSV Test
FOUR S Slider 96 Internal Floors
CEN CEN Some European Standards


BS EN 1097-8 determination of polished stone value
AS/NZS 4586:1999 slip resistance classification of new pedestrian surface materials
BS 6077 Pt1 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 cementitous wearing surfaces
ASTM E303 standard method for measuring surface frictional properties using the 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
BS 812 Pt. 144


Pendulum Skid Tester Slider

Pendulum Skid Tester Kit
Pendulum Skid Tester Spreader Feet




Prices subject to change    Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only    Export orders require quotations - click here for a quote     For more info call us 1-800-762-2478 or 954-946-9454.
Item Number Item Prices

Tool Kit and Pendulum Instrument with case
FM-884501 Pendulum Skid Tester Complete with case $6,572.00
Accessories - Listed below are not included in the price of the main device unless stated and should be purchased separately as per requirements.
15232 60 Grade Si Lapping Paper, 10 sheet (A4) 125.00
FM-885050 1.25" Rubber Mounted PSV Slider (55) 260.00
FM-885060 3.00" Rubber Mounted TRRL Slider (55) 295.00
FM-885070 3.00" Rubber Mounted FOUR S Slider (96) 295.00
FM-885080 3.00" Rubber Mounted CEN Slider 295.00
FM-885091 Base Plate (used when testing in a lab environment) 792.00
FM-885093 Spreader Feet, set of 3 (gives stability when testing in situ on uneven surfaces) 165.00


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