SN EN 61254 : 1994

Cooperating organizations<br>National foreword<br>Foreword<br>Introduction<br>1. Scope<br>2. Definitions<br>3. List of measurements<br>4. General conditions for measurements<br>5. Measuring methods for dimensions<br>5.1 Overall dimensions<br>5.2 Mass<br>5.3 Length of the supply cord<br>6. Determination of the operation time per charge<br>6.1 Operation time per battery charge<br>6.2 Operation time per primary battery<br>7. Shaving performance<br>7.1 Composition of the test panels<br>7.2 Test duration and test procedure<br>7.3 Distribution of the shavers<br>7.4 Statistical analysis<br>7.5 Final ranking<br>8. Trimmer performance<br>9. Gravimetric analysis of the difference in closeness<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of shave<br>9.1 Composition of the test panels<br>9.2 Test procedure and distribution scheme<br>9.3 Conversion from mass into average residual hair-<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;stubble length<br>9.4 Statistical analysis<br>Figures 1 - Schematic presentation of the test procedure<br>Annexes<br>A. Questionnaires<br>B. Instructions to the testers<br>C. Distribution scheme<br>D. Possible variations in the testing scheme<br>E. Application of the method<br>F. Bibliography<br>National annex NA (informative) Committees responsible