DD ENV 12647:1997

Contents
Foreword
Introduction
1. Scope
2. Normative References
3. Definitions, Symbols and Abbreviations
    3.1 Definitions
    3.2 Symbols and Abbreviations
4. Functional Requirements and Classification
    4.1 Functional Requirements
    4.2 Reflectance Calibration
    4.3 Categories or Verifier
5. General Constructional and Operational Requirements
    5.1 Safety
    5.2 Electromagnetic Compatibility (EMC)
    5.3 Installation. Operation and Maintenance -
         General
    5.4 Power Supply
    5.5 Temperature
    5.6 Humidity
    5.7 Ambient Light Rejection
6. Test Requirements
    6.1 Selection of Equipment for Testing
    6.2 Test Conditions
    6.3 Reference Test Symbols
    6.4 Test Methods
    6.5 Conformity
    6.6 Test Report
7. Certification and Labelling
    7.1 General
    7.2 CE Marking
8. Equipment Specification
Annex A (normative) Reference Test Symbols
Annex B (normative) Safety and Electromagnetic
Compatibility Requirements
     B.1 Electrical Safety
     B.2 Laser Safety
     B.3 Electromagnetic Compatibility
Annex C (informative) Example of Declaration of Conformity

Defines the minimum requirements from which bar code verification instruments following the methodology of pREN 1635 should conform. Specifies the test methodology to be followed and defines classes of these instruments and reference test symbols to be used for the calibration and testing of verification equipment by verifier manufacturers and users.