Pусский 
Pressure Sensor PC91B
Product overview
The PC91B monocrystalline silicon pressure sensor adopts imported MEMS monocrystalline silicon pressure dies, achieving internationally leading overpressure performance and ensuring excellent signal stability. It is assembled with a fully welded sealed structure and filled with silicone oil under high vacuum. Different materials of measurement diaphragms not only isolate the measured medium from the pressure die but also enable the sensor to reliably measure the pressure difference signals of various strongly corrosive media over the long term.
Features
■ Adopt imported MEMS monocrystalline silicon pressure dies
■ With overpressure protection
■316L stainless steel fully welded integral structure
■ Gauge pressure type can be used for negative pressure measurement
■ Suitable for various threaded housings
Applications
■Provide OEM parts for industrial transmitter manufacturers.
Product Parameters
Performance parameters | |
Power supply | 5V DC |
Operating temp. | -40℃～85℃ |
Storage temp. | -50℃～125℃ |
Output | 60～140mV |
Zero-point temperature drift | ±0.1%FS/℃（Range≥10kPa） |
±0.5%FS/℃（Range＜10kPa) | |
Thermal hysteresis | ±0.1%FS（Range＜10kPa） |
±0.05%FS（Range≥10kPa） | |
Pressure hysteresis | ±0.05%FS |
Long-term drift | ±0.05%FS /Year |
Non-linearity | ±0.5%FS（Range≥10kPa),±1.5%FS（Range＜10kPa） |
Max overpressure | See range selection |
Diaphragm material | 316L, Hastelloy C |
Production process
Certificate
Company profile
Nanjing Wotian Technology Co., Ltd. was established in 2005. It is an outstanding top sensor manufacturing enterprise in Jiangning District. The company was rated as Nanjing Engineering Technology Research Center and Nanjing. Municipal Engineering Research Center, Nanjing Enterprise Technology Center, Nanjing Postdoctoral Innovation Demonstration Base; is the unit that formulated the national standards for "Silicon Piezoresistive Pressure Sensitive Chips" and "Silicone Pressure Sensors". It is the leading domestic manufacturer of pressure sensors, with core technology of diffused silicon pressure sensor pressure transmitter, level sensor and temperature sensor and existing staff 305. The annual production of pressure sensors is more than 2 million. The products have been exported to more than 70 countries and regions. Nanjing Wotian was awarded the honorary title of "Sensor Application Program Demonstration Enterprise" by the Ministry of Industry and Information Technology in 2019. "Creating value for customers" is the goal that enterprises always pursue. As leading manufacturer in the domestic pressure sensor industry, the company will revitalize China's pressure sensor business as its own responsibility, work diligently, step by step, strive to make pressure sensors better, and provide customers with cost-effective sensors. Nanjing Wotian Technology Co., Ltd. has passed ISO9001-2015 quality management system certification and TS16949 certification for the automotive industry.
Company advantage
Mass production
We have one production center in Nanjing and one production center in Anshan with 20,000㎡plant and 170 units of production equipments. The main annual capacity of sensors is about 2,000,000 pieces.
Imported equipments
We imported 20 sets of pressure controller and 150 units of testing ovens to our production line.
Informatization management
We have the information management system of CRM, PLM, ERP, MES and DINGDING etc.
Comprehensive testing
We have our own lab and testing equipment such as lightning stroke, surging, static electricity, vibration, high-low temperature impact test and helium mass-spectrum leak detection.
