Product Advantages

1. Exceptional Measurement Performance
Ultra-high precision: Achieves 0.005% measurement accuracy to meet the most stringent metrology requirements
Wide measurement range: Maximum capacity up to 250MPa, covering diverse application scenarios
Outstanding stability: Piston system utilizes specialized materials and processes to ensure long-term stability
Clear linear relationship: Piston descent speed maintains excellent linear correlation with pressure, guaranteeing measurement accuracy
2. Innovative Modular Design
System Modularity: Both piston system and pressure generator feature modular structures
Flexible Configuration: Modules operate independently or combine freely to meet diverse measurement needs
High Interchangeability: Piston range adjusts via simple component replacement for easy operation
3. Advanced Materials and Processes
Specialized Piston Sleeve: Manufactured from polarized aluminum for exceptional wear resistance
Specialized Treatment Process: Critical components undergo specialized processing to prevent deformation
Premium Weight Material: Utilizes demagnetized, high-quality austenitic stainless steel weights for outstanding stability
4. User-Friendly Operation
Simplified pressurization system: Utilizes hard-seal technology, eliminating reliance on O-ring seals
Maintenance-free design: No diaphragm replacement required, preventing high-pressure leakage issues
Effortless operation: Pre-pressurized valve-less design enables one-handed pressurization up to 100 MPa
Reduced disassembly: Robust construction minimizes routine maintenance disassembly
5. Reliable Technical Characteristics
Uniform pressure distribution: Even pressure distribution across piston-sleeve clearance ensures measurement consistency
Controllable descent speed: Maximum descent speed <5μm/s with minimal effective area variation
Precise parameter measurement: Effective area and pressure deformation coefficient accurately measured via reference pressure gauge

Application Areas
High-precision pressure standard transfer for metrology institutes and testing organizations
Precision pressure experimental research for scientific research institutions and universities
Pressure sensor calibration for aerospace and defense enterprises
Precision pressure measurement in petrochemical and power energy industries
High-standard pressure instrument verification for precision manufacturing sectors
Calibration of precision pressure equipment in the medical device field

YUN YI ,we are professional manufacturer that engaged in the fields of pressure measurement instrument.
we have 12 years sensor producing and developing experiences

Xi'an Yunyi Instrument Co., Ltd is a professional R&D center and manufacture of measuring instruments.And here's a variety of products for you choice: pressure transmitters,temperature transmitters,flow transmitters,weighing instruments and so on.Our products have been made by advanced technology, with high quality, fast delivery period, which have attracted so many domestic and foreign customers.

12 moths warranty
OEM&ODM
Near 1/2 buyers found pressure sensor & contact us