905 Waverly Avenue, Holtsville, NY, 11742

631.207.1200 Fax: 631.207.0900

Manufacturer of Temperature and Pressure

Instruments and Controls Since 1882

Welcome to the Weiss Instruments Web Site. Our "Century Plus" years of experience in the manufacture of thermometers and pressure gauges has resulted in the development of a complete line of quality products for the Bid & Spec, Wholesale Distribution, Refrigeration, and Food Service Industries. We offer a wide range of customized products for OEM applications and Internet based Monitoring and Control Systems.

Buy American Act & the American Recovery and Reinvestment Act

Click Here for More Information

Light Powered Digital

Process Pressure Gauges

Advanced Technology in Pressure Measurement

The wide acceptance and success of Weiss Light

Powered Instruments is attributed to their high level

of quality and reliability as well as an understanding

about the impractical nature of changing batteriesin

industrial applications.

Click here for more information.

®Solar Metrix is a registered trademark of Weiss Instruments, Inc.