Pусский 
Fully Welded Pressure Sensor PC11-BQ
Product overview
The PC11-BQ pressure sensor has provided customers with four designs, and it has successfully provided over a hundred customers with such a solution: welding the pressure core body and interface pressure head together, fundamentally eliminating the problem of "O" ring sealing leakage. It has high reliability, and is compact in size, making it the best choice for making highly reliable and high-quality pressure and liquid level transmitters. In order to provide a clearer description of this model of product, the information clearly defines which designs cannot be changed and which personalized designs are made by customers based on their actual needs. By integrating the advantages of Wotian with the needs of your company, a perfect product is formed.
Feature
■ Focusing on customer customization
■ High reliability pressure chip
■ Fully welded with joints, small-sized structure
■ High performance and reliability
■ Wide temperature compensation
■ Gauge pressure, absolute pressure, sealing pressure
■ Optional constant current and constant voltage excitation
■ 18 months warranty period
Applications
■ Supporting pressure transmitter manufacturers
■ Supporting liquid level transmitter manufacturers
■ Fire protection and medical oxygen pressure matching
■ Combustible gas detection
Industry
■ Pressure control equipment
■ Hydraulic equipment
■ Liquid level control equipment
■ Gas equipment
■ Low temperature equipment
Product Parameters
Electrical performance parameters | |
Range range and pressure mode | BQ1 model: -100~0~10kPa... 25MPa (gauge pressure, absolute pressure, sealing pressure). BQ2 model: -100~0~10kPa... 25MPa (gauge pressure, absolute pressure, sealing pressure). BQ3 model: 0-10kPa... 100kPa (gauge pressure). BQ4 model: -100~0~100kPa... 25MPa (gauge pressure, absolute pressure, sealing pressure). |
Incentive | The recommended constant current compensation is 1.5mA; 10V recommended for constant voltage compensation; Both constant current and constant voltage excitation without compensation are acceptable. |
Impedance | Constant current: 2k Ω~5k Ω; Constant voltage: 3k Ω~18k Ω. |
Electrical connections | Gold-plated Kovar pins or silicone flexible wires |
Compensation temperature | 0 ℃~60 ℃ (range ≤ 70kPa)- 10 ℃~70 ℃ (other ranges). |
Operation temperature | -40℃～120℃ |
Storage temperature | -40℃～120℃ |
Insulation resistance | ≥200MΩ/250VDC |
Response time | ≤ 1ms (rising to 90% FS) |
Measurement medium | All liquids and gases compatible with 316L |
Mechanical vibration | 20g（20～5000HZ） |
Impact | 100g（10ms） |
Durability | 1×106(cycles) |
Structural performance parameters | |
Diaphragm material | 316L |
Material of inlet head | SS304或SS316L |
Infusion of liquid | silicone oil |
Basic parameters | ||||||
Project | Condition | Minimum | Typical | Maximum | Unit | Notes |
Nonlinear | Other ranges 25MPa | -0.3 -0.4 | ±0.2 | 0.3 0.4 | %FS | Note ⑴ |
Hysteresis | -0.05 | ±0.03 | 0.05 | %FS | ||
Repeatability | -0.05 | ±0.03 | 0.05 | %FS | ||
Zero point output signal | -2 | ±1 | 2 | mV | ||
Full range output signal | 10kPa Other ranges 10kPa
| 30 60 30 98 | 45 90 45 100 | 80 150 80 102 | mV mV mV mV | Motivation: 1.5mA 1.5mA 10V 10V |
Zero temperature drift | 10kPa Other ranges | -2 -1.5 | ±1.5 ±0.75 | 2 1.5 | %FS | Note ⑵ |
Sensitivity temperature drift | -1.5 | ±0.75 | 1.5 | %FS | Note⑵ | |
Thermal hysteresis | -0.075 | ±0.05 | 0.075 | %FS | Note⑶ | |
Long term stability | -0.3 | ±0.2 | 0.3 | %FS/Year | ||
Note: ⑴ Calculated based on BFSL least squares method.
Within the compensation temperature range, 0 ℃~60 ℃ and -10 ℃~70 ℃ refer to 30 ℃.
After passing through high and low temperatures, return to the reference temperature.
Structure and dimensions |
The size marked with * cannot be changed, and the remaining parts can be customized according to customer needs. Unit（mm）
PC11-BQ1 model
Recommended use: M20 × 1.5, G1/2, NPT1/2, G1/4, NPT1/4, front threads can be customized according to customer actual needs. |
Recommended use: M20 × 1.5, G1/2, NPT1/2, G1/4, NPT1/4, front threads can be customized according to customer actual needs. |
PC11-BQ3 model
Customizable front threads according to customer actual needs | PC11-BQ4 model
Customizable front threads according to customer actual needs |
Production process
Testing Equipment
Certificate
Company profile
Nanjing Wotian Technology Co., Ltd. was established in 2005. It is an outstanding top sensor mkanufacturing 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.
