I.S. EN 60746-2:2003
Current
The latest, up-to-date edition.
EXPRESSION OF PERFORMANCE OF ELECTROCHEMICAL ANALYZERS - PART 2: PH VALUE
Hardcopy , PDF
English
01-01-2003
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
FOREWORD
1 Scope
2 Normative reference
3 Definitions
4 Procedure for specification
4.1 Additional statements on sensor units and analyzers
4.2 Additional statements on electronic units
4.3 Statements on sensors
4.3.1 General
4.3.2 Reference electrodes
4.3.3 pH sensor
4.3.4 Temperature compensator
4.3.5 Auxiliary devices for sensor unit
5 Recommended standard values and ranges of influence
quantities affecting the performance of electronic
units
6 Verification of values
6.1 General aspects
6.2 Test procedures for electronic units
6.2.1 pH scaling
6.2.2 Isopotential pH, pH[i]
6.2.3 Temperature compensation
6.3 Test procedures for sensor units
6.3.1 Zero point pH
6.3.2 Percentage theoretical slope
6.3.3 Isopotential pH, pH[i]
6.4 Test procedures for analyzers
6.4.1 Intrinsic uncertainty
6.4.2 Linearity uncertainty
6.4.3 Repeatability
6.4.4 Output fluctuation
6.4.5 Warm-up time
6.4.6 Drift
6.4.7 Response times
6.4.8 Sample temperature
6.4.9 Primary influence quantities
Bibliography
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