Mechanical Products Sourcebook

Company Information:


Dwyer Instruments Inc.


P.O. Box 373
102 Hwy. 212
Michigan City, IN 46361


(800) 872-9141

(219) 879-8000


(219) 872-9057



Contact Personnel: 

Eric Fritch, Product Mgr.; Phil Krajewski, Product Mgr.; Josh Waters, Product Mgr.

Company Description:

Dwyer Instruments, Inc., manufacturer of precision instruments for measuring, transmitting, and controlling pressure, temperature, level, and flow instruments; Magnehelic and Spirahelic pressure gages, Photohelic switch/gages, Rate-Master, Mini-Master and Visi-Float Flowmeters, Slack-Tube and Flex-Tube manometers, and Dwyer pressure switches.

Trade Names:

  • Digihelic®
  • Magnehelic®
  • Magnesense®
  • Minihelic®
  • Photohelic®


  • Accessories, Detectors, Smoke & Products of Combustion
  • Air Conditioners, High Temp/ Pressure
  • Boilers, Controls, Combustion or Barometric Draft
  • Building Automation Systems (BAS), Actuators
  • Building Automation Systems (BAS), Building Automation Systems
  • Building Automation Systems (BAS), Controls, Pneumatic, for HVAC Systems
  • Building Automation Systems (BAS), Dataloggers
  • Building Automation Systems (BAS), Sensors/Transmitters/Transducers
  • Critical Applications, Controls, Clean Room or Laboratory Pressurization
  • Fume Hoods
  • Lab, Controls, Fume Hood
  • Meters, Air Velocity
  • Meters, Flow, Gas or Air
  • Meters, Flow, Water
  • Regulators, Air Velocity
  • Valves, 2, 3 & 4 Way
  • Valves, Angle
  • Valves, Ball
  • Valves, Butterfly, Flanged, Brass or Bronze
  • Valves, Flow Control
  • Valves, Gate
  • Valves, Globe, Brass & Bronze

Mechanical Products Sourcebook