Welcome to Ashcroft Inc., manufacturer of Heise® precision pressure measurement and calibration instruments. Globally recognized as the industry leader in technology driven precision instrumentation, the Heise name has long been synonymous with high accuracy, quality and reliability.

Building on the legacy of the renowned Heise® precision dial pressure gauge, the Heise product line has grown to include high accuracy state-of-the-art digital output pressure transducers, analog pressure transducers, digital pressure indicators and handheld pressure/temperature calibrators.

Innovations such as modular sensor design and digital output transducer technology continue to make Heise the preferred instrument for critical pressure measurement applications.

Behind every Heise product is a modern manufacturing facility certified to ISO9001 with NIST traceable standards maintained in accordance with ANSI/NCSL Z-540-1 and MIL-STD-45662A. In addition, a knowledgeable technical support staff is available to assist you, both before and after your purchase.