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DH CPB8000全自動活塞式壓力計

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DH CPB8000全自動活塞式壓力計 Applications Combining automation with high level primary pressure standard A powerful solution for testing and calibration of high specifications pressure sensors Automatic calibration and verification of pressure measuring instruments Large volume calibrations Special Features Total measurement uncertainty to 20 ppm of measured value Calibration certificate as a standard from our COFRAC accredited laboratory, LNE/PTB calibration certificate as an option Available up to 1000 bar pneumatic and 5000 bar hydraulic Automatic 100 kg mass loading system with resolution down to 0.1 g Automatic pressure generation Automatic pressure balance model CPB8000 Description Reference primary standards Pressure balances are high accuracy fundamental pressure standards that define the derived unit of pressure directly from the fundamental units of mass, length and time following the formula p= F/A. The direct measurement of the pressure with an automatic balance combined to the know-how of Desgranges & Huot guarantees the best metrological specifications on the market. High quality piston-cylinder units (high floating time, long term stability) Protection and smooth handling of the mass set Large volume calibration CPB8000 has been designed to provide the best available metrological specifications but also to reply to industry expectations. Providing a high MTBF, the CPB8000 pressure generation system can also generate and regulate with large volume under test. Automation and metrology The servo controlled variable volume pressure generator combined to the built-in optical detection used to measure the piston position offer fine and reliable pressure regulation. The mass set protected in a cabinet is handled carefully providing the highest stability. Finally the pressure is automatically fully corrected taking in account all ambient parameters. High-performance instrument range The model CPB8000 is available in 4 variants: pneumatic or hydraulic pressure generation with or without the trim mass set handling system (down to 10 mg) A large range of piston-cylinder assemblies is available to best meet your specific requirements. CPB8000 High Resolution(Oil) CPB8000 Low Resolution (Oil) CPB8000 High Resolutio(Gas) CPB8000 Low Resolution (Gas) Fluid Sebacate OIL Sebacate OIL GAS GAS Resolution 0.1 g 1 kg 0.1 g 1 kg 1st point 2 kg 1.5 kg 2 kg 1.5 kg pressure range min max 10…500 bar 100…5000 bar 72 kPsi range 7.5…500 bar 75…5000 bar 72 kPsi range 2…100 bar 20…1000 bar 15 kpsi range 1.5…100 bar 15…1000 bar 15 kPsi range PCA (bar/kg) 5 / 10 / 20 / 50 5 / 10 / 20 / 50 1 / 2 / 5 / 10 1 / 2 / 5 / 10 PCA lubrication / Mounting Free deformation Free deformation Gas lubricated Gas lubricated Uncertainty Premium 50 ppm 20 ppm 50 ppm 20 ppm 50 ppm 20 ppm 50 ppm 20 ppm

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