PCM403 Pressure Transmitter
Product overview
The PCM403 pressure transmitter uses a high-performance, high-stability OEM pressure sensor as the signal-measuring element. The sensor signal is converted to a standard signal through special signal processing. This product, with stable and reliable performance, has passed long-term aging and stability screening and can be used in harsh outdoor environments. It also ensures the on-site pressure display, with zero and span transferable.
The connection interface of PCM403 can be compatible with other brands’ transmitters or can be customized to meet users’ requirements. The products of this series are widely apply to the industrial process control, petroleum, chemical, metallurgy, and other industries.
Features
■ High-performance diffusion silicon piezoresistive sensor adopted
■ Used for the pressure measurement for multiple kinds of media, such as gas, liquid, etc.
■ Wide pressure ranges
■ Optional digital display
■ Optional multiple kinds of output signals
Applications and industries
■ Industrial field control
■ Oil field
■ Heavy industry
■ Chemical industry
■ Gas pipe network
■ Water supply pipe network
Product Parameters
Performance parameters | |
Pressure range | -100kPa…0~10kPa…100MPa |
Output signal | 4~20mA 4~20mA with display 4~20mA+HART with display 4~20mA+RS485 with display |
Operating temp. | -20℃~85℃ |
Medium temp. | -20℃~85℃ |
Storage temp. | -40℃~125℃ |
Zero temp. coefficient | ±3%FS -100kPa≤range≤35kPa G (@0~60℃) ±1.5%FS 35kPa G<range (@-10~70℃) |
Span temp. coefficient | ±3%FS -100kPa≤range≤35kPa G (@0~60℃) ±1.5%FS 35kPa G<range (@-10~70℃) |
Overload pressure | Refer to “Pressure range selection” on page 4. |
Anti-vibration performance | Sine curve: 20g, 25Hz~2kHz; IEC 60068-2-6 Random: 7.5grms, 5Hz~1kHz; IEC 60068-2-64 |
Shock resistance | Shock: 100g/11ms; IEC 60068-2-27 Free fall: 1m; IEC 60068-2-32 |
Comprehensive accuracy | 0.2 level; 0.5 level |
Insulation resistance | ≥100MΩ/250VDC |
Response time | ≤100ms (Up to 90%FS) |
Long-term stability | ±0.2%FS/year |
EMC surge | (IEC61000-4-5) 2kV |
EMC static | (IEC61000-4-2) contact discharge 8kV, air discharge 15kV |
Protection grade | IP65 |
Material | Low copper aluminum alloy for shell, 316L for isolation diaphragm; 304 for pressure port |
Production process





Testing Equipment




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 over 600. The annual production of pressure sensors is more than 4.5 million. The products have been exported to more than 80 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 25,000㎡ plant and over 1000 units of production equipments. The main annual capacity of sensors is over 4,500,000 pieces.
Imported equipments
We have imported more than 20 sets of pressure controllers for 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.



