friction error

friction error

An instrument error caused by friction in the instrument mechanism. The error is measured by reading the instrument and vibrating it and taking the reading again; the difference between the two readings is the instrument friction error.
References in periodicals archive ?
The company says it does not have the large friction error inherent in all torque control systems.
The-MagBolt tension monitor measures the actual stretch in an anchor bolt, thus eliminating the friction errors of a torque wrench.