Timekeeping instruments. Wrist-chronometers with spring balance oscillator Ingestion-build-132972 and omission of a technique

and omission of a technique from this standard does not mean it is not valid

Equipment characterization

Who is BS EN 60335-2-15 - Safety requirements for appliances for heating liquids for

under the form of a drop

The aim of the BS EN 311 is to provide best industry practices to demonstrate the strength of the wood-based panels

Timekeeping instruments. Wrist-chronometers with spring balance oscillator Ingestion-build-132972 and omission of a technique1 Scope This International Standard lays down the definition of the term chronometer, describing the categories, the test programme and the acceptable minimum requirements for wrist chronometers. NOTE Wristwatches using a tuning fork oscillator are subjected to these tests pending the availability of separate standards.