Dwyer Instruments Inc., founded in 1931, is a proud family owned and operated company, celebrating its 75th anniversary in providing quality instrumentation at an affordable price. Dwyer continues to be a leading manufacturer of instrumentation for controlling and monitoring powder and dust materials. Divisions include Proximity Controls, Love Controls, Mercoid, and W. E. Anderson.
Dwyer started in the Powder and Bulk industry with our very popular differential pressure gages and switch gages. The Magnehelic® and Photohelic® remain the workhorses of the industry and continue to exceed customer expectations due to their simple operation and robust design. Our product line now includes a digital Photohelic®, the DH, and a digital Magnehelic®, the DM2000. We also offer our DCT Series of timer controllers that exceeds the capabilities of other products on the market.
Through company acquisition and product innovation Dwyer offers a broad product line of instruments for measuring, transmitting, or controlling pressure, level, temperature, humidity, flow, and more. We also feature a full line of valves.




