This standard specifies a method for the determination of diameters and thicknesses of optical fibres.
DIN 58141-4:1990 history
2014DIN 58141-4:2014-08 Measurement of fiber optic elements - Part 4: Determination of diameters and thicknesses of optical fibers; Text in German and English
2014DIN 58141-4:2014 Measurement of fiber optic elements - Part 4: Determination of diameters and thicknesses of optical fibers; Text in German and English
2009DIN 58141-4:2009 Testing of fibre optic elements - Part 4: Determination of diameters and thicknesses of optical fibres
1990DIN 58141-4:1990 Testing of fibre optic elements; determination of diameters and thicknesses of optical fibres