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Nexisense WPAK63 General Purpose Isolated Diaphragm Pressure Sensor: Reliable OEM Pressure Core Choice
The Nexisense WPAK63 series pressure core is the core component of industrial pressure measurement systems. It adopts imported high-precision diffused silicon sensitive chip and is encapsulated through mature production processes. The Φ19mm standard size ensures good interchangeability with mainstream products at home and abroad, allowing system integrators to upgrade existing transmitters without redesigning installation interfaces.
Full 316L stainless steel encapsulation provides excellent corrosion resistance, suitable for long-term contact with liquid or gas media. The silicone oil filling structure further isolates the medium from the chip, ensuring measurement stability. Whether in process control or hydraulic systems, this core provides a precise pressure signal foundation, facilitating subsequent amplification processing into standard 4-20mA or 0-5V outputs.
Product Core Advantages Analysis
The core of WPAK63 lies in its isolated diaphragm design. The 316L stainless steel diaphragm directly bears the medium pressure and transmits it to the diffused silicon chip through silicone oil, avoiding direct corrosion of the sensitive element by the medium. This structure is particularly suitable for application scenarios containing particles or corrosive media.
Electrical connection supports pin or wire methods, flexibly meeting different integration needs. Excitation method optional constant current 1.5mA or constant voltage 10V, wide input impedance range, convenient for engineers to freely choose according to circuit design. Response time does not exceed 1ms, meeting requirements for rapid pressure change monitoring.
Product operating temperature range -40℃ to 120℃, storage temperature up to 125℃. Mechanical vibration resistance 20g (20～5000Hz), shock resistance 100g (10ms), service life up to 10 million pressure cycles. These parameters enable WPAK63 to maintain reliable performance in harsh industrial environments.
Detailed Explanation of Typical Application Scenarios
In process control systems, the WPAK63 pressure core provides accurate pressure feedback signals for PLC or DCS, helping achieve closed-loop regulation. In hydraulic systems and valve applications, it monitors oil pressure changes in real time, ensuring precise actuator action and reducing leakage risks.
In level measurement projects, the core cooperates with impulse pipes or submersible structures to convert static pressure into level height. In the field of biopharmaceutical instruments, seamless stainless steel encapsulation and silicone oil isolation meet cleanliness requirements and avoid contamination risks.
In refrigeration equipment and HVAC control, WPAK63 monitors refrigerant pressure to assist efficient compressor operation. Marine and navigation equipment benefit from its corrosion resistance and vibration resistance characteristics, maintaining continuous operation in salt spray and bumpy environments.
It is also applicable to weapon equipment applications, with its high reliability design meeting shock and vibration test standards.
Item-by-Item Interpretation of Technical Parameters
Range from -100kPa to 100MPa, covering negative pressure to high pressure scenarios. Pressure types include gauge pressure, absolute pressure and sealed pressure, allowing engineers to select according to actual medium environment.
Compensation temperature range is flexibly set according to range: below 35kPa is 0℃～60℃, above is -10℃～70℃. Zero point temperature drift typical value ±0.75%FS, other ranges controlled within ±1.5%FS. Sensitivity temperature drift also maintained at low level, ensuring stable accuracy across the full temperature range.
Nonlinearity, hysteresis and repeatability all controlled within ±0.2%FS, zero output ±1mV, typical full-scale output 50～150mV (constant current excitation). Long-term stability reaches ±0.2%FS/year, reducing on-site maintenance frequency.
Structurally, diaphragm and housing are both 316L stainless steel, sealing rings use nitrile or fluororubber, compatible with most industrial media.
System Integration and Selection Suggestions
When assembling, integrators only need to connect the WPAK63 core to the amplification circuit to output standard signals. Pin or wire connection methods simplify wiring, fast response time, suitable for high-speed control loops.
During selection, priority should be given to confirming whether the range covers actual working conditions and paying attention to medium compatibility. Shock and vibration parameters already cover most factory environments, no additional protection needed. Nexisense supports batch customization, including special shapes or higher reliability levels, procurement departments can communicate in advance according to project cycles.
Customization Services to Assist Project Implementation
Nexisense provides fully welded structure options to enhance sealing reliability. Wide temperature compensation and strong shock resistance designs can meet special environmental requirements. Engineers only need to provide application parameters, and the team can provide complete solutions, shortening project verification time.
These services make system integration more flexible and procurement costs controllable.
Frequently Asked Questions
1.How does WPAK63 achieve seamless interchangeability with existing transmitters?
Φ19mm standard OEM size is consistent with similar domestic and international products, electrical interfaces compatible, integrators can directly replace the core without modifying housing or circuit board.
2. What is the actual impact of the compensation temperature range on on-site accuracy?
Within compensation temperature, zero point and sensitivity temperature drift controlled at ±0.75%FS, engineers can obtain stable readings under typical 0℃～70℃ working conditions, reducing temperature compensation algorithm complexity.
3. How to choose between constant current and constant voltage excitation for hydraulic systems?
Constant current excitation has stable input impedance, suitable for long-distance transmission; constant voltage excitation has better output linearity, suitable for precision control loops. Both are supported, decide based on power supply conditions.
4. How is reliability in high vibration environments such as marine applications?
Product passed 20g vibration and 100g shock tests, service life up to 10 million cycles, meeting stringent requirements for navigation and weapon equipment.
5. What guidance does long-term stability data provide for maintenance cycles?
±0.2%FS/year drift means equipment only needs calibration once a year, procurement parties can significantly reduce operation and maintenance costs.
6. What compatibility points should be noted when selecting measuring media?
316L diaphragm and silicone oil filling compatible with most liquids and gases, sealing rings provide nitrile or fluororubber options, engineers only need to confirm pH value and temperature range.
7. How does the customization service process operate for bulk procurement?
After submitting parameters such as range, temperature, shock, etc., Nexisense provides samples and quotations within 2 weeks, integrators can quickly verify and place bulk orders.
8. What is the difficulty for engineers in amplifying output signals?
Typical full-scale output 50～150mV, common instrumentation amplifiers can process into standard 4-20mA signals, mature circuit design, no special chips required.
Summary
Nexisense WPAK63 general purpose isolated diaphragm pressure sensor provides mature and reliable pressure core solutions for system integrators and procurement engineers. Its standard size, high corrosion resistance and excellent stability help industrial projects achieve efficient integration and long-term operation. Whether for process control, hydraulic systems or special customization needs, WPAK63 can support decision-making with professional parameters. It is recommended to contact Nexisense for sample testing based on specific working condition parameters to jointly promote reliable automation applications.
