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Automated primary pressure reference for absolute and gauge pressures to 500 kPa
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 with 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 centered around 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.

• Mass sets Uncertainty ± 5 ppm or 1 mg
• Pressure Measurement Uncertainty ± 2 ppm + 0.05 Pa
• Overall pressure range 11 kPa to 500 kPa, 0.11 bar to 5 bar, (1.6 to 72.5 psi)
• Local control with 2 x 20 vacuum fluorescent display and 4 x 4 function driven keypad.
• Real time (1 second update rate) display and measurement of ambient (pressure, temperature, humidity) and instrument (piston-cylinder temperature, cylinder position, cylinder drop rate, cylinder rotation rate, cylinder rotation decay rate, reference vacuum) conditions.
• Real time (1 second update rate) mass-to-pressure and pressure-to-mass calculations taking into consideration all environmental and operational variables.
• Adjustable mass loading resolution 0.01 g to 0.1 kg.
• Integrated automated mass handling option (AMH-100-VAC)