PROCESS MEASUREMENT AND CONTROL DEVICES - GENERAL METHODS AND PROCEDURES FOR EVALUATING PERFORMANCE - PART 1: GENERAL CONSIDERATIONS
International Electrotechnical Committee
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Test categories
5 General criteria
5.1 Realistic operating conditions
5.2 Economic aspects
5.3 Replication of the tests and comparability of the results
5.3.1 Standardization of test methods
5.3.2 Influence factors
5.3.3 Documentation of the test methods
5.4 Processing the results
5.5 Independence of the results of a test from the effects of
other tests
6 General conditions for tests and samples
6.1 Environmental test conditions
6.1.1 Recommended limits of ambient conditions for test
measurements
6.2 Supply conditions
6.2.1 Reference values
6.2.2 Tolerances
6.3 Load conditions
6.4 Mounting position
6.5 Externally induced vibrations
6.6 External mechanical constraints
6.7 Selection
6.7.1 Criteria
6.7.2 Selection procedures
6.8 Delivery of the devices
6.9 Identification and inspection
7 General testing procedures and precautions
7.1 Test laboratory
7.2 Preparation for the tests
7.3 Choice of reference measuring equipment
7.3.1 Criteria
7.3.2 Uncertainty of the measuring system
7.3.3 Traceability
7.4 Input variable quality
7.5 Tapping
7.6 Checking of calibration made as delivered
7.7 Sequence of tests
7.8 Interruption and duration of each series of measurements
7.9 Anomalies and failures during tests
7.9.1 General
7.9.2 Procedures
7.10 Re-start of a test
7.11 Setting of adjustments
7.12 Preconditioning
7.12.1 Criteria
7.12.2 Procedure
7.13 Calibration adjustments of lower range value and span
7.14 Constancy of the operating conditions and settings
7.15 Input/output variable relationships
7.15.1 Criteria
7.15.2 Procedure
7.16 Error assessment
7.17 Symbols and units of measurement
7.18 Test report and documentation
Describes general methods and procedures for conducting tests, and reporting on the functional and performance characteristics of process measurement and control devices.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 65 |
