About Heise® Pressure Instruments

Designed and manufactured by Ashcroft Inc. in Stratford, Connecticut, Heise® precision pressure instruments are globally regarded as the state-of-the-art  in high accuracy pressure measurement. With operations in Canada, Europe, South America, Asia and the Middle East, Ashcroft Inc. provides Heise® products worldwide through a network of affiliates, licensees and joint ventures. (To view a list of our U.S. domestic and international operations, click here.)

Originally designed over 50 years ago by engineer/entrepreneur Otto Heise, the Heise® precision pressure gauge was the first mechanical Bourdon tube instrument to achieve ±0.1% FS accuracy. Since it’s inception, the Heise® product line has grown to include precision electronic pressure indicators, calibrators, transducers and control devices in ranges from 0/0.25 inches of water to 0/100,000 psi and in accuracies up to ±0.02% F.S. 

Ashcroft Inc. continues to produce innovative, dependable products in response to customer needs. If you have questions or comments with regard to Heise® products, please contact us. Your feedback is important to us.

Quality Certifications

Ashcroft Inc. Trademarks

Careers with Us

Supplier Information

Terms and Conditions