BS ISO 2528:2017 Sheet materials. Determination of water vapour transmission rate (WVTR). Gravimetric (dish) method

Specimen preparation
Permeability measurement
Creasing tests
Testing conditions
Test specimens
Coated fabrics
Polymers
Packaging materials
Sheet materials
Rubber coatings
Laminates
Sealing wax
Mathematical calculations
Plastics
Flexible materials
Water-vapour tests
Test equipment
Plastics and rubber technology
Water vapour
Films (states of matter)
Gravimetric analysis

Link: BS ISO 2528:2017 Sheet materials. Determination of water vapour transmission rate (WVTR). Gravimetric (dish) method
Source: BSI Standards

BS ISO 26602:2017 Fine ceramics (advanced ceramics, advanced technical ceramics). Silicon nitride materials for rolling bearing balls and rollers

Bearings
Rolling bearings
Specimen preparation
Physical properties of materials
Silicon inorganic compounds
Classification systems
Special ceramics
Nitrides
Ceramics
Ball bearings
Mechanical properties of materials
Balls (bearing components)

Link: BS ISO 26602:2017 Fine ceramics (advanced ceramics, advanced technical ceramics). Silicon nitride materials for rolling bearing balls and rollers
Source: BSI Standards

BS EN 50463-4:2017 Railway applications. Energy measurement on board trains Communication

Harmonics
Direct current
Meters
Railway electric traction equipment
Power measurement (electric)
Railway vehicles
Electrical equipment
Alternating current
Electrical measurement
Performance testing
Railway equipment
Electricity supply meters
Energy consumption
Railway coaches
Accuracy

Link: BS EN 50463-4:2017 Railway applications. Energy measurement on board trains Communication
Source: BSI Standards

BS EN 50463-1:2017 Railway applications. Energy measurement on board trains General

Railway coaches
Electricity supply meters
Meters
Railway electric traction equipment
Railway equipment
Power measurement (electric)
Electrical measurement
Electrical equipment
Railway vehicles
Accuracy
Direct current
Harmonics
Performance testing
Energy consumption
Alternating current

Link: BS EN 50463-1:2017 Railway applications. Energy measurement on board trains General
Source: BSI Standards