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BS EN 61028:1993



The latest, up-to-date edition.

Specification for electrical measuring instruments. X-Y recorders

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Published date


Committees responsible
National foreword
1. Scope
2. Definitions
     2.1 General terms
     2.2 Description of recorders according to the number
          of recording devices
     2.3 Description of recorders according to their method
          of marking
     2.4 Constructional features
     2.5 Characteristic features
     2.6 Characteristic values
     2.7 Influence quantity, reference conditions, nominal
          range of use and preconditioning
     2.8 Errors and variations
     2.9 Accuracy, accuracy class and class index
3. Classification and compliance
     3.1 Measuring class index
     3.2 Compliance with the requirements of this Standard
4. Reference conditions and intrinsic errors
     4.1 Reference conditions
     4.2 Fiducial value and limits of intrinsic errors
     4.3 Conditions for the determination of intrinsic error
     4.4 Determination of the value of the dead band
     4.5 Additional error term due to zero displacement
     4.6 Orthogonality error
5. Nominal range of use and variations
     5.1 Nominal range of use
     5.2 Limits of variations
     5.3 Conditions for the determination of variations
6. Further electrical and mechanical requirements
     6.1 Dynamic performance
     6.2 Continuous load
     6.3 Permissible overloads
     6.4 Limiting values of temperature
7. Constructional requirements
     7.1 Sealing to prevent access
     7.2 Preferred values for sensitivity
8. Information, markings and symbols
     8.1 Information on the recorder
     8.2 Information in documentation
     8.3 Information relating to reference conditions and
          nominal ranges of use
9. Markings and symbols for terminals
     9.1 Requirements for markings
     9.2 Earthing (grounding) terminals
     9.3 Measuring circuit terminals
I. Reference conditions and tolerances for testing
     purposes relating to the influence quantities
II. Limits of the nominal range of use and permissible
III. Examples of marking of reference value/range and
     nominal range of use for temperature
IV. Symbols for marking recorders and their accessories
1. Determination of record-on and record-off delay times
A. Determination of the influence of parasitic voltages
A.1 Common mode interference
A.2 Series mode interference
A.3 Statements as to the tests
ZA Other international publications quoted in this standard
     with the references of the relevant European publications

Classification, reference conditions, marking and electrical and mechanical requirements.

Renumbers and supersedes BS 7437(1991). 1993 version incorporates amendment 7714 to BS 7437(1991). Supersedes 86/24720 DC & 96/203890 DC. Also numbered as IEC 61028. (12/2005)
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