April 2011Maintenance, Test & Measurement, Calibration
Designed for fundamental metrology research.
The DH Instruments PG9607 is the next generation of absolute pressure piston gauge from Fluke Calibration. It supports the use of a 100 kg mass set to define gauge and absolute pressures from 11 to 500 kPa using a single piston-cylinder.
This piston gauge is designed for use as a true primary pressure reference in metrology and research institutes. Its performance is based on a 50 mm piston-cylinder assembly with dimensional characteristics suitable for low-uncertainty dimensional traceability. The piston mounting post allows controlled clearance operation and reduced uncertainty on piston-cylinder temperature measurement. The new platform architecture promotes improved temperature stability around the piston-cylinder.
PG9607 features AMH automated mass handling technology to allow fully automated testing in both gauge and absolute mode. Manual steps are removed from its operation, saving time and delivering metrological advantages. When AMH is coupled with automatic pressure control and computer software repeated and extended tests become practical, making PG9607 a powerful calibration and research tool.
Refined 50 mm piston-cylinder design
PG9607’s piston-cylinder assembly builds upon more than 15 years of design, manufacture and calibration of 50 mm piston-cylinders. It is a 5 kPa/kg piston-cylinder with a stationary piston and floating cylinder design. Improved manufacturing and testing methods are used to produce a very low distortion assembly. The 50 mm piston-cylinder provides exceptional performance up to 500 kPa with a 100 kg mass load. The PG9607 mounting post allows an independent controlled clearance pressure to be applied to the inside of the piston, thus predictably varying the size of the gap between the piston and cylinder for advanced study.
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