The PK II Pneumatic Deadweight Tester from AMETEK Calibration Instruments is a primary standard that is one of the most accurate portable pressure testers in the world. Suitable for use in the laboratory or the field, the PK II can be used in batch production of pressure transducers, fiscal metering in the oil and gas industry. Using no electricity, water or oil in the measurement process, it is particularly well suited to applications in hazardous areas.