The Series CPB5000 utilizes a unique design for the piston/cylinder, the patented ConTect™ System. This system protects the piston/cylinder in a housing so that changing ranges does not require any tools or physically touching the piston/cylinder, preventing contamination and providing added insurance against damage due to accidental drops. The ConTect System also includes an O-ring seal and flange that mates to the instrument base allowing fast and easy pressure range changes.
Both the piston and cylinder are manufactured from Tungsten Carbide, a material often associated with more expensive deadweight testers. Tungsten Carbide has very small thermal and pressure expansion coefficients compared to other materials, improving overall performance and enhancing long term stability. The result is a recommended re-calibration interval of 5 years. ConTect Systems are available in two accuracy classes, 0.015% of Reading and for more demanding applications, 0.008% of Reading.
Available ConTect Systems with their respective pressure ranges are shown in the table below and in the data sheet. Individual masses provide nominal increments in PSI or bar pressure units. Most mass sets support multiple ConTect Systems.
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Outside the US:
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