Dwyer Instruments

Dwyer Instruments

Dwyer Instruments

Instruments to Measure Pressure, Flow, Level and Temperature

Dwyer Instruments designs and manufactures a complete line of measurement and control equipment for fluid systems in a wide array of industries. 

Dwyer Instruments offers products that measure pressure, flow, level, temperature, and humidity in hazardous and non-hazardous applications. Many of the company's products are supplied under brand names, which include Magnehelic, Minihelic and Capsuhelic pressure gauges; Photohelic switches and gauges; Rate-Master, Mini-Master and Visi-Float flow meters; and Dwyer pressure switches.

With more than 80 years of experience, Dwyer Instruments’ equipment is based on proven designs and manufactured to meet the highest quality standards for pressure, temperature, level and flow applications in HVAC, chemical, food, oil and gas, energy generation and pollution control markets.

Meacon is a Dwyer Instruments supplier and can help you obtain the right device for your process. Our employees are knowledgeable, have strong supplier relationships and meet customer needs on time, every time. 


  • Level Indicators
  • Level Switches – Float
  • Level Switches – Optical
  • Level Transmitters – Float
  • Thermometers – Dial
  • Thermometers – Glass
  • Flowmeters – Variable Area
  • Flowmeters – Inline
  • Flowmeters – Dial
  • Flowmeters – Venturi
  • Sight Flow Indicators
  • Differential Pressure Gauges
  • Differential Pressure Gauge/Switch – Dial
  • Differential Pressure Gauge/Switch - Digital
  • Differential Pressure Transmitters