Coefficient of friction tester for cards

The coefficient of friction on a paper surface is one measure that indicates the surface condition of the paper. This COF tester measures the coefficients of friction in the following mechanism. A 1-kg weight is placed on two overlapped sheets of the same specimen paper. While sliding the weight, coefficients of static and kinetic friction are read on a push-pull gauge.
Optionally, a recorder can be installed to help read coefficients of static and kinetic friction more easily as well as to enable recording of changes of the kinetic friction force.

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Coefficient of friction tester for cards

Specifications

Specimen size	180×80mm	Driving distance	50mm, with automatic stop device
Weight	1,000g, size 76×76mm	Driving speed	90cm/min.
Power souce	100/110VAC 50/60Hz 1A	Outer dimentions	560×350×300mm
Instrument weight	42kg