Paroscientific is the leader in the field of high-accuracy pressure measurement. We manufacture and sell a complete line of high-precision pressure instrumentation. Digiquartz® Pressure Instrumentation Resolution of up to one part-per-billion of full scale and typical accuracy of 0.01% of full scale are achieved even under difficult environmental conditions. Other desirable characteristics include high reliability, low power consumption, and excellent long-term stability. Over 30 full scale pressure ranges are available - from a fraction of an atmosphere to thousands of atmospheres (+/-2 psig to 40,000 psia).