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BS 9130:1972

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Specification for potentiometers of assessed quality: generic data and methods of test

Available format(s)

Hardcopy , PDF

Withdrawn date

27-09-2012

Language(s)

English

Published date

29-02-1972

€322.53
Excluding VAT

Co-operating organizations
Foreword
Specification
Section 1. Principles and mandatory procedures
1.1 General matters
1.1.1 Scope
1.1.2 Related documents
1.1.3 Terminology
1.1.4 Letter symbols, signs and abbreviations
1.1.5 Graphical symbols
1.1.6 Marking of the component and package
1.1.7 Eligibility for qualification approval
1.1.8 Structurally similar components
1.1.9 Delayed delivery
1.1.10 Supplementary procedure for qualification
          approval
1.1.11 Certified test records
1.1.12 Standard ratings and characteristics
1.1.13 Unchecked parameters
1.1.14 Procedure to be followed in the event of
          failures in Group C or D inspection
1.1.15 Ordering information
1.1.16 Release for delivery before the completion of
          Group B tests
1.2 Test procedures
1.2.1 Test and measurement conditions
1.2.2 Visual inspection
1.2.3 Dimensioning and gauging procedures
1.2.4 Electrical test procedures
1.2.4.1 Drying
1.2.4.2 Continuity
1.2.4.3 Measurement of resistance
1.2.4.4 Attenuation
1.2.4.5 Minimum effective resistance and angle of
          ineffective rotation
1.2.4.6 Effective resistance and angle of effective
          rotation
1.2.4.7 Resistance law
1.2.4.8 Matching of the resistance law (for tandem
          potentiometers only)
1.2.4.9 Contact resistance of switch (where fitted)
1.2.4.10 Voltage proof
1.2.4.11 Insulation resistance
1.2.4.12 Temperature characteristic of resistance
1.2.4.13 Rotational noise
1.2.5 Mechanical test procedures
1.2.5.1 Starting torque
1.2.5.2 Switch torque
1.2.5.3 End stop torque
1.2.5.4 Locking torque
1.2.5.5 Thrust and pull on spindle
1.2.5.6 Mechanical accuracy
1.2.6 Environmental test procedures
1.2.6.1 Robustness of terminations
1.2.6.2 Sealing
1.2.6.3 Soldering
1.2.6.4 Change of temperature
1.2.6.5 Vibration
1.2.6.6 Bump
1.2.6.7 Acceleration
1.2.6.8 Climatic sequence
1.2.6.9 Damp heat (steady state)
1.2.7 Endurance test procedures
1.2.7.1 Mechanical endurance (potentiometers)
1.2.7.2 Mechanical endurance of switch (when fitted)
1.2.7.3 Electrical endurance (at room temperature)
1.2.7.4 Electrical endurance (at 70 deg C)
1.2.7.5 Electrical endurance (at upper category
          temperature)
Section 2. Rules for the preparation of detail
            specifications
2.1 Basic information
2.1.1 Originator of the specification
2.1.2 The numbering of the detail specification
2.1.3 Description of the component and intended
          application
2.1.4 Outline drawing
2.1.5 Ratings (including limiting conditions of use)
2.1.6 Characteristics
2.1.7 Related documents
2.1.8 Additional information (not for inspection
          purposes)
2.1.9 Instructions for ordering components
2.1.10 Marking
2.2 Inspection requirements
2.2.1 Group A inspection
2.2.2 Group B inspection
2.2.3 Group C inspection
2.2.4 Group D inspection
2.3 Certified test records
2.3.1 Guiding principles
2.3.2 Attributes information
2.3.3 Measurements information
2.3.4 Explanatory information
Appendices
A Recommended scheme for the inspection of
          structurally similar components
B Principles to be observed in the preparation
          of detail specifications when calling up
          related specifications
C Example of detail specifications
D Definitions and diagrams for precision
          potentiometers
E Measurement of rotational noise: Method A
F Measurement of rotational noise: Method B
G Apparatus for measuring mechanical accuracy
H Spindle and bush dimensions

General matters, terminology, test procedures (electrical, mechanical, environmental and endurance), general rules for drafting detail specifications.

Committee
W/-
DevelopmentNote
Supersedes 68/5429 DC (10/2005) Inactive for the new design. (09/2007)
DocumentType
Standard
Pages
58
PublisherName
British Standards Institution
Status
Withdrawn

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