Engineering Solutions
How to Choose the Right Industrial Technology Solution
Selecting industrial technology depends on the
application, operating environment, automation
infrastructure, future requirements and total
cost of ownership.
September 25, 2026
•
10 min read
Selecting an industrial technology solution requires
evaluating the application, operating environment,
existing automation infrastructure, future requirements,
and total cost of ownership.
Start With the Application Requirement
Define the problem before comparing products. Identify
production bottlenecks, recurring equipment failures,
quality issues, manual operations, safety concerns,
and process inconsistencies.
Select the Appropriate Control Architecture
Programmable Logic Controllers (PLCs) are commonly
used for machine automation and real-time control.
More complex applications may require industrial
computers or other automation platforms. Continuous
process plants may require a Distributed Control System.
Consider the Industrial Environment
Temperature, humidity, dust, vibration, chemical
exposure, and electrical interference can affect
equipment performance. Check environmental ratings
and installation requirements.
Check Integration and Communication
Check compatibility with existing PLCs, HMIs, SCADA
systems, sensors, drives, and production systems.
Depending on the application, OPC UA, Modbus TCP,
EtherNet/IP, or PROFINET may be relevant.
Plan for Future Expansion
Consider spare I/O capacity, controller processing
capability, communication bandwidth, memory, and
space for additional equipment.
Evaluate Total Cost of Ownership
Include hardware, software, engineering, installation,
commissioning, training, maintenance, spare parts,
technical support, and future upgrades when comparing
solutions.
Evaluate Maintenance and Technical Support
Consider replacement-part availability, documentation,
diagnostic tools, training resources, and access to
technical support.
Common Selection Mistakes
- Selecting equipment before defining the application.
- Focusing only on initial purchase cost.
- Ignoring environmental and integration requirements.
- Underestimating future expansion needs.
- Ignoring long-term maintenance and support.
Frequently Asked Questions
What should be considered when selecting industrial technology?
Evaluate the application, environment, control
requirements, integration, scalability, maintenance,
support, and total cost of ownership.
Why is environmental compatibility important?
Heat, moisture, dust, vibration, chemicals, and
electrical interference can affect equipment reliability.
Should initial purchase price determine the selection?
No. Installation, engineering, maintenance, training,
and future upgrades should also be considered.
Why is scalability important?
Industrial systems may need additional equipment,
capacity, or monitoring functions in the future.
What role does integration play?
Compatible communication protocols and software help
new equipment work with existing systems.
Conclusion
A structured selection process helps organizations
choose industrial technology that is practical to
operate, maintain, and expand.
Instrumentation
Pressure Sensors vs. Pressure Transmitters: What’s the Difference?
Understand pressure sensors, transducers and
transmitters, including signal conditioning,
industrial outputs and instrument selection.
September 20, 2026
•
8 min read
Pressure measurement is fundamental to industrial
processes. Terms such as pressure sensor, pressure
transducer, and pressure transmitter are sometimes
used interchangeably, although manufacturers may
use them differently.
What Is a Pressure Sensor?
A pressure sensor detects pressure and converts the
physical measurement into an electrical signal.
Depending on its design, it may measure gauge,
absolute, or differential pressure.
What Is a Pressure Transmitter?
A pressure transmitter generally combines a sensing
element with electronics that process the measurement
and provide a standardized output. A common industrial
output is 4–20 mA.
Where Does a Pressure Transducer Fit?
The term pressure transducer does not have one
universally enforced definition. Always check the
manufacturer's datasheet for signal conditioning
and output details.
Pressure Sensor vs. Pressure Transmitter
| Feature |
Pressure Sensor |
Pressure Transmitter |
| Measures pressure |
Yes |
Yes |
| Electrical output |
Varies |
Standardized analog or digital output |
| Signal conditioning |
Application-dependent |
Typically integrated |
| Industrial integration |
Depends on design |
Generally designed for control systems |
Why Is 4–20 mA Common?
The 4–20 mA current loop is widely used in industrial
instrumentation. The live-zero principle allows
4 mA to represent the lower measurement range,
helping distinguish a normal zero measurement
from certain signal faults.
What About Pressure Switches?
A pressure switch responds when pressure reaches a
specified switching point. A transmitter provides
a continuous measurement across its configured range.
How to Select the Right Pressure Instrument
- Pressure range: Consider normal operating pressure and expected peaks.
- Measurement type: Determine whether gauge, absolute, or differential pressure
is required.
- Accuracy: Match the required accuracy to the process.
- Output signal: Confirm compatibility with the control system.
- Process conditions: Consider temperature, vibration, media, and installation.
- Maintenance: Evaluate diagnostics and servicing requirements.
Frequently Asked Questions
Is a pressure sensor the same as a pressure transmitter?
Not necessarily. A transmitter generally includes
signal conditioning and a standardized output.
Is a pressure transducer different from a transmitter?
Terminology varies by manufacturer. Check the output
and signal-conditioning specifications.
Why is 4–20 mA used in industrial pressure measurement?
It provides a standardized current signal suitable
for many industrial control systems.
Should I use a pressure switch or transmitter?
Use a switch for threshold-based actions and a
transmitter when continuous pressure measurement
is required.
Conclusion
Select instruments according to their sensing method,
output, accuracy, pressure range, environmental
compatibility, and integration requirements rather
than relying on the product name alone.