BS 6233:1982

National foreword
Cooperating organizations
Methods
1 Scope
2 Definitions
3 Significance
4 Power supply
5 Measuring methods and accuracy
6 Test specimens
7 Electrode material
8 Specimen handling and mounting
9 Conditioning
10 Test procedure
11 Calculation
12 Report
Appendices
A Examples of measuring methods and their accuracy
B Formulae for calculating A and p
Figures
1 Basic connections for guarded electrodes used for:
    (a) volume resistivity, (b) surface resistivity
2 Example of electrode arrangement on flat specimen
3 Example of electrode arrangement on tubular
    specimen
4 Arrangement of liquid electrodes
5 Voltmeter-ammeter method used for measuring volume
    resistance
6 Wheatstone bridge method used for measuring volume
    resistance
7 Ammeter method used for measuring volume resistance

Gives procedures for the determination of volume and surface resistance and calculations for the determination of volume and surface resistivity of solid electrical insulating materials. Considers the influence of magnitude and time of voltage application, nature and geometry of electrodes, temperature and humidity.