Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 20 years.

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  • Automotive Pressure Transmitter PCM104

Automotive Pressure Transmitter PCM104

Product overview

PCM104 is a ceramic capacitive pressure transmitter developed by our company for high reliability systems in automobiles and other industries. The excellent ceramic capacitive sensor has excellent characteristics of corrosion resistance, impact resistance, high elasticity, and no hysteresis through dedicated conditioning chips. Widely used in systems such as automotive braking, automotive oil, automotive air conditioning, automotive intake, new energy vehicle thermal management, air compressors, water pumps, intelligent pressure cooker pressure detection, etc

Features

 High performance, corrosion resistance, no hysteresis, and impact resistance (no leakage even after overpressure damage)

 Adopting advanced chips specifically designed for signal conditioning of high integration bridge pressure sensors, with high precision and stability

 Good electrical performance and long-term stability

Protection: IP67

Special customization such as process connection can be supported

 Warranty time: 18 months

Applications and industries

Automotive braking, automotive oil, automotive air conditioning and automotive intake system

New energy vehicle thermal management

 Air compressors 

 Water pumps

Intelligent pressure cooker

Product Parameters


Performance parameters

Pressure range

00.5MPa10MPa 

Overload pressure

200%FS

Burst pressure

300%FS

Pressure reference

Sealed gauge pressure

Process connection

Customized

Comprehensive accuracy

±0.5%

Long term stability

±0.3%FS/year

Operating Temp.

-40125

Storage Temp.

-40150

Power Supply (DC)

Voltage5±0.5V   Current12-36V

Output Signal

0-5VDC3.5mA),4-20mA

Electrical Connection

Parker Connector

Protection

IP67

Material

Housing: SS304  Sensor: Ceramic

Vibration

10gRMS(202000)Hz

Shock

100g11ms

Insulation

100MΩ @250VDC

Response time

1ms@ 90%FS

CE

EMC: IEC61326-1 B

Electrostatic Discharge: IEC61000-4-2

Electromagnetic field immunity: IEC61000-4-3

EFT Immunity: IEC61000-4-4

Surge immunity: IEC61000-4-5


Electrical Connection & Dimension


General Dimension

In mm

PCM104 Automotive Pressure Transmitter


Electrical Connection

 

PCM104 Automotive Pressure Transmitterimage.png

 

 


 

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Production process

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                                                         Testing Equipment


Φ23.5mm Silicon Pressure Sensor PCM320Φ23.5mm Silicon Pressure Sensor PCM320

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Certificate

PCM350 Flush Diaphram Pressure Sensor

Company profile

PCM580 Digital Pressure Gauge (Φ80mm)

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.