Instrumentation and measurement
Process measurement instruments
Range, accuracy, wetted material, process connection, output, enclosure rating and hazardous-area certification must be selected together.
Type and construction
Available types
1
Pressure gauge
View details2Differential pressure gauge
View details3Industrial thermometer
View details4Pressure transmitter
View details5Differential pressure transmitter
View details6Temperature transmitter
View details7Level transmitter
View details8Magnetic flowmeter
View details9Coriolis flowmeter
View details10Vortex flowmeter
View details11Rotameter
View details12Pressure switch
View details13Temperature switch
View details14Flow switch
View details15Thermowell
View details16Orifice plate
View detailsQuick comparison
How the main types differ in selection
TypePurposeBest suited toWatchpoint
Pressure gaugeMeasuring or indicating a process variableLocal monitoring, data capture or signal transmission to control systemsRange, accuracy, wetted materials, connection, enclosure and calibration
Differential pressure gaugeMeasuring or indicating a process variableLocal monitoring, data capture or signal transmission to control systemsRange, accuracy, wetted materials, connection, enclosure and calibration
Industrial thermometerMeasuring or indicating a process variableLocal monitoring, data capture or signal transmission to control systemsRange, accuracy, wetted materials, connection, enclosure and calibration
Pressure transmitterMeasuring or indicating a process variableLocal monitoring, data capture or signal transmission to control systemsRange, accuracy, wetted materials, connection, enclosure and calibration
Differential pressure transmitterMeasuring or indicating a process variableLocal monitoring, data capture or signal transmission to control systemsRange, accuracy, wetted materials, connection, enclosure and calibration
Temperature transmitterMeasuring or indicating a process variableLocal monitoring, data capture or signal transmission to control systemsRange, accuracy, wetted materials, connection, enclosure and calibration
Level transmitterMeasuring or indicating a process variableLocal monitoring, data capture or signal transmission to control systemsRange, accuracy, wetted materials, connection, enclosure and calibration
Magnetic flowmeterMeasuring or indicating a process variableLocal monitoring, data capture or signal transmission to control systemsRange, accuracy, wetted materials, connection, enclosure and calibration
Coriolis flowmeterMeasuring or indicating a process variableLocal monitoring, data capture or signal transmission to control systemsRange, accuracy, wetted materials, connection, enclosure and calibration
Vortex flowmeterMeasuring or indicating a process variableLocal monitoring, data capture or signal transmission to control systemsRange, accuracy, wetted materials, connection, enclosure and calibration
6 additional types above have their own detail pages.
Before selection
Information to define
- 1Range and accuracy
- 2Wetted material
- 3Process connection
- 4Output and protocol
- 5Enclosure rating
- 6Hazardous-area approval
Typical materials
Stainless steelHastelloyPTFEMonel
Typical connections
ThreadedFlangedClampedManifold
Typical media
LiquidGasSteamSlurry
Function
What does this family do?
Measurement and monitoring
Local indication or signal transmission for pressure, temperature, level and flow
Functional selection guideModulation and continuous control
Modulation of flow, pressure, temperature or level by manual or automatic command
Functional selection guideAutomation and actuation
Valve movement, command input and position feedback to the control system
Functional selection guideTechnical reference
Related standards
The exact edition and requirements must be checked against the project specification.
IEC 60529IEC 60079ASME PTC 19.3 TW
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Related families
Engineering note
This page supports initial screening and does not replace engineering calculations, project specifications, manufacturer approval or design pressure-temperature checks.
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