This document provides a comprehensive categorization of control systems and instrumentation analyzers, detailing various measuring devices such as flowmeters, pressure switches, and sensors used in industrial applications. It emphasizes the importance of standardized terminology and structures across a fragmented market, differentiating between families, sub-families, and categories of devices. The document outlines the functionalities and integration of control systems, including safety systems, highlighting trends in procurement for both new and existing projects.

1. Control Systems and
Instrumentation
Analyzers
06.02
Rev. 03
February 2016
Pressure &
Temperature
Switches
Flow measuring
devices
Magneto
Resistor
06.05.08G
Level measuring
devices
Industrial
Smart Meters
Vortex
Flowmeters
06.04.13G
06.04.04G
Magnetic
Flowmeters
Variable Area
Flowmeters
Turbine
Flowmeters
06.04.05G
06.04.06G
06.04.07G
Multiphase
Flowmeters
06.04.02G
Ultrasonic
Flowmeters
Mass Flow
Flowmeters
06.04.01G
06.04.03G
Bimetallic
Thermometers
Thermocouples
06.08.04G
06.08.02G
06.09.01G
Multiwave
Photometers
Analyzer
06.02.02G
pH and
Conductivity
Analyzer
06.02.03G
Total Organic
Carbon (TOC)
Analyzer
06.02.04G
Limit
Switches
Proximity
Switches
Flow
Switches
Float Operated
Level Switches
06.09.03G
06.09.04G
06.09.05G
06.09.02G
Switches
06.09
Programmable
Logic Controller
(PLC)
Integrated
Control & Safety
Systems (ICSS)
Process Control
Systems (PCS)
Supervisory Control
and Data Acquisition
(SCADA) System
06.01.01G
06.01.02G
06.01.04G
06.01.03G
Valves Remote
Control Systems
(VRCS)
06.01.12G
Integrated System
for Vibration
Monitoring of
Rotating Equipment
06.01.13G
Control and
Safety Systems
06.01
Emergency
Depressurization
(EDP) Systems
06.01.08G
Fire & Gas (F&G)
Systems
Emergency
Shutdown (ESD)
Systems
06.01.06G
06.01.07G
Safety
Instrumented
Systems (SIS)
Oil-in-Water
Analyzer
06.02.05G
Pressure /
Differential Pressure
Transmitters
06.07.01G
Temperature
measuringdevices
Level Gauges
06.05.01G
Pig Signaling
Devices and Pig
Detectors
Mooring Buoy
Hawser Load
Monitoring System
Annunciators
06.10.06G
06.10.07G
06.10.08G
Heating cables
for
Instrumentation
Thermocouple
cables (armored
and unarmored)
Thermocouple
Compensation and
Extension Cables
Fiber-optic
Instrumentation
Cables
Electrical and
Electronic
Components
for Systems
Instrumentation
cables (armored
and unarmored)
06.10.01G
06.10.02G
06.10.03G
06.10.04G
06.10.05G 06.10.10G
Junction boxes
06.10.09G
Instrumentation
Bulk Materials
Instrumentation
cables
Miscellaneous
Instrumentation
Temperature
Gauges
Other temperature
measuring devices
06.08.01G
06.08.06G
Gas Detectors
Fire / Flame
Detectors
Heat and Smoke
Detectors
06.03.01G
06.03.03G
06.03.04G
Detectors
Leak Detection
Systems
Vessel
06.03.05G
Pipeline
06.03.06G
06.03 06.04 06.05
Ultrasonic
Transmitter
06.05.02G
Nuclear
Transmitter
06.05.04G
Displacer
Transmitter
Radiofrequency
type Transmitter
06.05.05G
06.05.06G
06.08
Monitoring
Tank Gauging
System
06.01.14G
Pressure
measuringdevices
06.07
Flue Gas
Analyzer
06.02.10G
Multiwave
Photometers
Analyzer
06.02.07G
Oxygen
Analyzer
06.02.08G
Process Gas
Chromatograph
06.02.09G
Dust
Analyzer
06.02.14G
Tunable Diode
Analyzer
06.02.13G
Liquid Gas
Analyzer House
and Shelter
06.02.01G
Combustion
Flame Detectors
06.03.02G
Corrosion
Meters
06.03.07G
Continuous
Emissions
Monitoring System
(CEMS)
06.02.15G
Moisture
Analyzer
06.02.11G
Air Quality
Analyzer
06.02.16G
Primary Elements
of Flow
Measuring
06.04.11G
Cone Meters
06.04.12G
Level Profiler /
Interface
06.05.09G
Microwaves
Absorption
06.05.10G
Capacitance type
Transmitter
06.05.07G
Radar
Transmitter
06.05.03G
Mass Flow
Controllers (MFC)
06.04.10G
Thermo-
resistances
06.08.03G
Infrared for
Temperature
06.08.05G
Mass
Spectrometer
Analyzer
06.02.12G
Management
Systems (MIS,
PIMS, LMS, MES, …)
06.01.05G
Pressure /
Differential
Pressure Gauges
06.07.02G
Target
Flowmeters
06.04.08G
06.10
06
Water Quality
06.02.06G
Pressure
Regulators
06.07.03G
Positive
Displacement
Flowmeters
06.04.09G
Tubing and
mounting materials
for Instrumentation
06.10.11G
Inertial Density
Measuring
Devices (Coriolis)
Resonance
Vibration
06.06.01G
06.06.03G
Density and
Viscosity
measuringdevices
06.06
Oscillating
Piston
06.06.02G
Other Density
Measuring
Devices
06.06.04G
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Control
Systems
Structural
Monitoring
Systems
06.01.15G
Very Early Smoke
Detection Apparatus
(VESDA)
06.03.08G
Safety Shutdown
Systems (SSS)
Burner
Management
Systems (BMS)
06.01.09G
Compressors
Control System
06.01.11G
Subsea
Monitoring/
Control System
06.01.10G
For Critical
Equipment

2. MAIN RATIONALES BEHIND THE STANDARD CATEGORIZATION
Sharing a common language in a
fragmented and highly diversified part of the
value chain is of fundamental importance
for all the actors involved.
The Standard Categorization has been
designed to drive the Buyer across the value
chain and driven by the changes in
competition that are present in the market.
Family
Category
Group
02.01.01 G
02.01
02
G = good
S = service
This Group defines the variety of systems and devices used in order to monitor and control a given process.
As a general rule of thumb, “families” of categories define the product and system type (e.g. Flow Measuring
Devices, Pressure Measuring Devices, …), “sub-families” define the function, while the “categories” are described by
the operating technology that is used in order to achieve the measurement (e.g. Magnetic Flow Meters, Ultrasonic
Flow Meters, …).
Local Controllers have not been considered since not that frequent anymore in the plant. That applies also, in
general, to pneumatic-driven applications.
Control Systems
• This Family describe a set of devices that manages, commands,
directs or regulates the behaviour of other devices, systems,
machines and processes.
• ICSS (Integrated Control and Safety System) identify systems that
have control and security functions (SIS, F&G, ..) and are delivered
through separated «machines», but integrated at physical as well as
programming level.
• Generally speaking, the work Integrated defined a set of systems – or
functions – separated but based on the same technology or on
technologies with high level of interfaces among themselves, and
frequently manufactured by the same vendor.
o There is a general tendency toward proposing and procuring
integrated solution, especially on greenfield projects;
o On brownfield / revamping projects, higher possibility of systems
separately procured.
• Distributed Control Systems (DCS) can be associated to PCS (Process
Control System), sometimes referred also as Basic PCS (Process
Control System).
• SIS (Safety Integrated System) can be associated to ESD System
(that identifies the action of Emergency Shutdown).
• Fire & Gas (F&G), Emergency Shutdown (ESD) and Emergency
Depressurization (EDP) are mainly referred as Systems, but – in case
of Integrated Control and Safety Systems – they represent
“functions”.
• Process Shutdown (PSD) Systems / “Function” is s shutdown of the
entire process system and represent a level hierarchy within the
Category of “Emergency Shutdown (ESD) Systems”.
• Structural Monitoring Systems included the monitoring of stress
conditions, environmental conditions and others.
• For the purpose of this Standard Categorization, a series of Control
Systems and Instrumentation have been considered in Packages
(Group 03), for example:
oHigh Integrity Protection System (HIPPS);
oFlow Meters Skids;
oMetering Systems.
Flow measuring devices
• Mass Flowmeters include:
oCoriolis Flowmeters
oThermal Mass Flowmeters
oMulti-parametric Flowmeters
• Primary Elements of Flow Measuring include:
oFlange
oFitting
oPitot tubes
oVenturi tubes
oNozzles
oPlates
oOrifices
oMeter Runs
o…
• Ultrasonic Flow Meters include Doppler and Transit Time
• Rotameter is a different name for Variable Area Flowmeter
• Mass Flow Controllers (MFC) combine a mass flow meter, electronics
and a valve
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CONTROL SYSTEMS AND INSTRUMENTATION
Instrumentation Bulk Materials
• In this Family can be found all the elements that usually don’t have a
name in a P&I (Cables, Pipes, …).
• No distinction for armoured or unarmoured cable has been made
• “Electrical and Electronic Components for Systems” include Timers,
Relays, …
Detectors
• This family must not be confused with the analyzer one. Detectors
detect situations that are outside of the normal operating conditions
and set up an alarm. On the other hand, analyzers determine, in real
time, the quantity/concentration of a said gas/liquid/particle in a
given process.
Analyzers
• All the measuring devices listed in this section are used to define the
chemical properties of the samples and can be split as per Liquid
Analyzer and Gas Analyzer
oGas Analyzer are an instrumentation used to measure the
concentration of a known gas in given mixture of gases from a
process / stream. This includes: Ambient Gas Monitoring,
Emissions Monitoring and Process Monitoring
oLiquid Analyzer are used in order to measure the concentration of
a known element in a given liquid
• Multiwave Photometers Analyzers is a broad category that include:
“Near Infrared”, “Ultraviolet”, “Fiber Optic” photometers. These
photometers operate in the infrared (IR), near infrared (NIR),
ultraviolet (UV) and visible (VIS) regions
• Chlorine Analyzer are included in Total Organic Carbon (TOC)
Analyzers
• Continuous Emissions Monitoring Systems (CEMS) typically monitor
the following emissions: sulfur dioxide, nitrogen oxides, carbon
monoxide, carbon dioxide, hydrogen chloride, airborne particulate
matter, mercury, volatile organic compounds, and oxygen. CEMS can
also measure air flow, flue gas opacity and moisture.
Rev. 03
February 2016