Lloyd Instruments FT Plus coefficient of friction tester

The Lloyd Instruments FT Plus bench-mounted, single lead screw dedicated friction tester measures static and kinetic coefficients of friction to a high accuracy.

Three load cell options are available - 10, 50 or 100 N - in addition to the one load cell that is supplied with the machine. A friction table is mounted directly on the tester, with a whole range of accessories to achieve ASTM, ISO and TAPPI standards.

The friction tester’s user-configurable test screens allow for final movement limits, calculation limits (relative and absolute), sled weights and dimensions.

A high-resolution encoder is used to measure the sample extension and also to provide high-accuracy speed control. The cross head is driven by a high-precision servomotor and DC servo system to achieve a wide range of speeds throughout the full load range.

This friction tester is controlled by a microprocessor and is operated from the integral control console, which enables tests to be quickly and easily set up and performed. The intuitive user interface is menu driven with intelligent prompts, and the membrane keypad with tactile feedback enables test parameters to be established in conjunction with the backlit 4-line LCD.

The coefficient of friction tester may be programmed to perform up to 10 different tests and the statistics for each type of test are automatically calculated including static coefficient of friction, kinetic coefficient of friction, peak load and average load. Data sampling rate is 8 kHz, and up to 600 samples can be stored in any of the test set-ups.

The FT Plus friction tester is a fully self-contained instrument; however, an RS232 output is provided to allow computer control using Nexygen Plus material test and data analysis software if required. This machine may also be configured as a universal testing machine to perform tensile, compression, flexural and other mechanical tests up to 1 kN with the appropriate grips and fixtures.