Process Instruments

Precision Control for Industrial Operations

Measure critical process variables and maintain reliable control to support safer and more efficient operations.

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Measure critical process variables and maintain reliable control to support safer and more efficient operations.

Intelligent Industrial Process Control

Honeywell process instruments help industries measure and control critical variables including temperature, pressure, conductivity, pH and flow. From actuators to analyzers and chart recorders to controllers, process instruments help keep operations running smoothly and support informed decision-making across a variety of industrial applications.
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HercuLine® electric actuators for demanding environments

HercuLine® electric actuators precisely position dampers and quarter-turn valves in even the toughest industrial settings. These sophisticated process instruments can offer:  
 
• Simplified configuration and maintenance 
• Electronic control for accurate positioning 
• Reduced installation and operating costs 
• Compatibility with remote monitoring systems1

Analytical sensors for critical process parameters

Our analytical instruments can measure pH, ORP, dissolved oxygen and conductivity to monitor and control processes with confidence across diverse industrial applications. 

  • Reliable pH and ORP measurement 
  • Dissolved oxygen monitoring 
  • Conductivity sensing for process control 
  • Thermal conductivity solutions 2
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Paperless and chart recorders for data analysis

Honeywell recorders can capture precise process parameters to help analyze trends, improve efficiency and support better decision-making through comprehensive data tracking. 

  • Touchscreen interfaces for easy operation 
  • Secure data storage and backup options 
  • Customizable trending and reporting

Temperature and variable control across applications

Our controllers and programmers help manage process temperatures and variables accurately across a wide range of industrial applications with multiple DIN form factors. They offer:  

  • Auto-tuning for optimal performance 
  • Ramp and soak programming capabilities 
  • Alarm outputs for process protection 
  • Modbus and Ethernet connectivity
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  • Potential 10-25% energy savings

    Industrial facilities can achieve 10-25% energy savings through process automation and control improvements, according to U.S. Department of Energy research.1 Process instruments can provide the measurement and control foundations for these efficiency gains.

  • Up to 30% improved product consistency2

    Accurate measurement and reliable control help maintain tight specifications and deliver consistent quality.

  • 8-10% cost savings

    Industrial energy assessments show facilities can achieve 8-10% in energy and cost savings on average, per U.S. Department of Energy analysis.3 Process instruments help enable the visibility and control needed to identify and capture these opportunities.

Related Solutions

Explore specific process instrument categories to find the measurement and control capabilities that align with your operational needs.

Customer Stories

Real Results With Advanced Process Instruments

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Interactive & Guided Tools

Technical Training for Process Instruments

Improve the value of your process instrumentation investment through comprehensive technical training. Honeywell Academy courses help your team develop expertise in instrument selection, configuration, operation and maintenance. From fundamentals to advanced topics, training covers actuators, analytical instruments, recorders and controllers. Access on-demand courses, hands-on workshops and certification programs tailored to your team's needs and technical requirements.

Frequently Asked Questions About Process Instruments

Process instruments can measure, record and control critical process variables to support safer and more efficient industrial operations. Specific applications include:

 
• Temperature measurement and control 
• Pressure monitoring 
• Conductivity sensing 
• pH and ORP measurement 
• Flow control 
• Dissolved oxygen detection 
 
These instruments help operators maintain product quality, reduce downtime and make informed decisions based on accurate process data.

Process instruments can work as an integrated measurement and control ecosystem within your automation infrastructure. 
 
• Actuators can execute control commands from controllers 
• Analytical sensors help provide continuous feedback to control loops 
• Controllers can process sensor data and adjust actuator positions 
• Recorders help capture system performance for analysis 
 
This closed-loop approach helps maintain stable operations, respond to process changes and optimize performance across interconnected systems.

A phased approach to instrumentation upgrades can help achieve quick wins while building toward comprehensive process optimization. Start by assessing current measurement gaps and control challenges: 
 
• Identify critical process variables needing better visibility 
• Evaluate existing infrastructure compatibility 
• Consider environmental conditions and hazardous area classifications 
• Plan for integration with DCS, SCADA or PLC systems 
 
Finish by considering training needs for operations and maintenance teams so that your whole organization is on board.

Optimize your process control

Discover how process instruments can help improve your industrial operations