The Henry G. Dietz Co., Inc. was established in 1947 and has over 50 years of experience in engineering and designing products. Its main product line has always been associated with low pressure / vacuum technology. Dietz products were used on the first U.S. satellite, space shuttle, and are being evaluated for use in the space station. Its products are used for detecting air flow, dirty air filters, pressure / vacuum, inhalation, and also for measuring and monitoring these functions.