MODEL 5111

1
MODEL 5111
Accuracy Level

• Large diameter Piston Cylinder Assemblies
• 35mm and 25mm diameters
• Allow interferometer measurement
• Non interfering piston rotation system
• Long Term Stability 1 ppm per year

2
National Primary Pressure Reference
Accuracy Level
3 x 3 Sorting
PCU Geometric Measurement by laser interferometry
U lt 5 x 10-6
Best one of try-out
National Primary Level Standard
Mass CalibrationU lt 1x10-6 x M
3
Accuracy Level
?

• Cross Floating System

INTERFACE