IEC 61254:1993

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

States and defines the principal performance characteristics for mens electric shavers (rotary and vibratory) which are of interest to the user, and describes standard methods for measuring these characteristics.