Dwyer Instruments

Quality Instrumentation and Controls Since 1931

About Dwyer Instruments

Since 1931, Dwyer Instruments has been recognized for quality, reliability, and readily available low-cost products. As a leading manufacturer in the controls and instrumentation industry, Dwyer continues to grow and serve major markets including HVAC, chemical, food, oil and gas, and pollution control.

Industry Leadership

  • Over 90 Years of Excellence
  • Leading Brand Names in Industry
  • Continuous Product Innovation
  • Global Market Presence
  • Customer-Driven Development
  • Comprehensive Technical Support
Dwyer Instruments Products

Product Categories

Instrumentation

Comprehensive array of data loggers, process control instruments, recorders, and indicators for industrial measurement, monitoring, and testing applications.

Dwyer Instrumentation

Valve Positioners

High-performance pneumatic and electro-pneumatic positioners with LCD screens for easy field inspection. Available in both linear and rotary operation configurations.

Dwyer Valve Positioners

I/P Transducers

Safe and reliable current to pressure transducers featuring NEMA 4X enclosures for protection in harsh conditions and enhanced corrosion resistance.

Dwyer I/P Transducers

Indicators & Transmitters

Reliable position indication through magnetic coupling, offering both mechanical and electrical monitoring capabilities with potentiometer-controlled output.

Dwyer Indicators and Transmitters

Proximity Positioners

Cost-effective, stable process control with rugged design for harsh environments. Features easy action switching and low air consumption while maintaining precise positioning.

Dwyer Proximity Positioners

Featured Product Lines

  • Magnehelic® differential pressure gages
  • Photohelic® pressure switch/gages
  • Rate Master® flowmeters
  • Hi-Flow® valves
  • Mercoid Controls
  • Love Controls
  • W.E. Anderson
  • Proximity Controls

Markets Served

HVAC

Complete solutions for heating, ventilation, and air conditioning

Chemical

Specialized instruments for chemical processing

Food Processing

Safe and reliable instrumentation for food production

Oil and Gas

Robust solutions for oil and gas applications

Pollution Control

Advanced monitoring and control systems

Industrial Processing

Comprehensive industrial control solutions

Contact Us About Dwyer Products

Need assistance with Dwyer product selection? Our team is ready to help with technical support, specifications, and more.