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BSI 24/30476428 DC 2024

BSI 24/30476428 DC 2024

$13.70

BS EN IEC 61987-1 Industrial-process measurement and control – Data structures and elements in process equipment catalogues – Part 1: Measuring equipment with analogue and digital output

Published By Publication Date Number of Pages
BSI 2024 60
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PDF Catalog

PDF Pages PDF Title
12 1 Scope
2 Normative references
13 3 Terms and definitions
22 4 Metadocuments
4.1 General
24 4.2 Metadocument chapters and features
25 4.2.1 Composite measuring equipment
4.2.2 Measuring equipment with a digital communication interface
4.3 Nomenclature
5 Metadocument for process measuring equipment
5.1 Identification
5.1.1 Document identification
5.1.2 Date of issue
5.1.3 Product type
26 5.1.4 Product name
5.1.5 Version
5.1.6 Manufacturer
5.2 Application
5.3 Function and system design
5.3.1 Measuring principle
5.3.2 Equipment architecture
5.3.3 Communication and data processing
5.3.4 Dependability
5.3.4.1 Reliability
27 5.3.4.2 Maintainability
5.3.4.3 Integrity
5.3.4.4 Security
5.4 Input
5.4.1 Measured variable
5.4.2 Measuring range
5.5 Output
5.5.1 Output signal
28 5.5.2 Signal on alarm
5.5.3 Load
5.6 Digital Communication
5.6.1 Communication protocol
5.6.2 Communication variable
5.6.3 Physical layer
29 5.7 Performance characteristics
5.7.1 Accuracy
5.7.2 Measured error
5.7.3 Hysteresis
5.7.4 Non-repeatability
5.7.5 Start-up drift
5.7.6 Long-term drift
5.7.7 Influence of ambient temperature
30 5.7.8 Influence of medium temperature
5.7.9 Settling time
5.8 Operating conditions
5.8.1 Installation
5.8.1.1 Climate class/Environmental condition class
5.8.1.2 Installation instructions
5.8.1.3 Start-up conditions
5.8.1.4 Warm-up time
31 5.8.2 Environment
5.8.2.1 Ambient temperature range
5.8.2.2 Ambient temperature limits
5.8.2.3 Storage temperature
5.8.2.4 Relative humidity
5.8.2.5 Immunity to temperature change
5.8.2.6 Shock resistance
5.8.2.7 Vibration resistance
5.8.2.8 Electromagnetic compatibility
32 5.8.3 Process
5.8.3.1 Process temperature range
5.8.3.2 Process temperature limits
5.8.3.3 Process pressure range
5.8.3.4 Process pressure limits
5.9 Mechanical and electrical construction
5.9.1 Design
5.9.2 Dimensions
33 5.9.3 Weight
5.9.4 Material
5.9.5 Electrical connection
5.9.6 Degree of protection
5.9.7 Type of protection
5.9.8 Process connection
5.10 Operability
5.11 Power Supply
34 5.12 Certificates and approvals
5.13 Ordering Information
5.14 Documentation
35 Annex A
37 Annex B
B.1 Additional features proposed for flow measurement principles
B.1.1 Overview
40 B.1.2 Output
B.1.2.1 Signal resolution
B.1.2.2 Low flow cut off
B.1.3 Performance characteristics
B.1.3.1 Influence of Reynolds number
B.1.3.2 Rise time
B.1.3.3 Influence of medium pressure
B.1.4 Installation
B.1.4.1 Inlet and outlet run
B.1.4.2 Cable length
B.1.5 Process
B.1.5.1 State of aggregation
B.1.5.2 Density
B.1.5.3 Viscosity
B.1.5.4 Conductivity
41 B.1.5.5 Reynolds number
B.1.5.6 Gas content
B.1.5.7 Limiting flow
B.1.5.8 Pressure loss
B.1.5.9 Downstream pressure
B.1.6 Mechanical construction
B.1.6.1 Field coil isolation class
42 B.2 Additional features proposed for level measurement principles
B.2.1 Overview
45 B.2.2 Input
B.2.2.1 Blocking distance
B.2.2.2 Operating frequency
B.2.3 Output
B.2.3.1 Signal resolution
B.2.4 Performance characteristics
B.2.4.1 Influence of medium pressure
B.2.5 Installation
B.2.5.1 Emitting angle
B.2.6 Process
B.2.6.1 Thermal shock resistance
B.2.6.2 Viscosity
B.2.6.3 Conductivity
B.2.6.4 Dielectric constant
46 B.3 Additional features proposed for pressure measurement principles
B.3.1 Overview
49 B.3.2 Function and system design
B.3.2.1 Measurement type
B.3.3 Input
B.3.3.1 Maximum span
B.3.3.2 Turndown ratio
50 B.3.4 Output
B.3.4.1 Signal on overload (overrange)
B.3.4.2 Output damping
B.3.5 Performance characteristics
B.3.5.1 Dead time
B.3.5.2 Rise time
B.3.5.3 Step response time
B.3.5.4 Time constant
B.3.5.5 Influence of medium pressure
B.3.5.6 Influence of mounting position
B.3.5.7 Influence of supply voltage
B.3.5.8 Influence of load
51 B.3.6 Operating conditions/process
B.3.6.1 Static pressure range
B.3.6.2 Static pressure limits
B.3.6.3 Overpressure limits
B.3.7 Mechanical and electrical construction
B.3.7.1 Proof pressure
B.3.7.2 Burst pressure
B.3.7.3 Sensor fill fluid
B.3.7.4 Diaphragm material
52 B.4 Additional features proposed for temperature measurement principles
B.4.1 Overview
55 B.4.2 Input
B.4.2.1 Sensor type
B.4.2.2 Sensor connection
B.4.2.3 Insulation resistance
B.4.3 Output
B.4.3.1 Linearization
B.4.4 Performance characteristics
B.4.4.1 Rise time
B.4.4.2 Thermal response time
56 B.5 Additional features proposed for density measurement principles
B.5.1 Overview
59 B.5.2 Performance characteristics
B.5.2.1 Influence of medium pressure
B.5.3 Installation conditions
B.5.3.1 Cable length
B.5.4 Process conditions
B.5.4.1 State of aggregation
B.5.4.2 Density
B.5.4.3 Viscosity
B.5.4.4 Gas content

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