Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 20 years.

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  • Monocrystalline Silicon Differential Pressure Component with Clamp Block PCM90D

Monocrystalline Silicon Differential Pressure Component with Clamp Block PCM90D

Product overview 

PCM90D Monocrystalline Silicon Differential Pressure Sensor Component is a well-developed high performance pressure transmitter based on the international leading technology, adopting the world advanced monocrystalline silicon pressure sensor technology and the patented packaging process. This product adopts the patented double overload protection diaphragm design, with the internal circuit surge protection design, and can accurately measure the gauge pressure, flow, vacuum degree, liquid level and density. 


Feature

Advanced monocrystalline silicon gauge/absolute pressure sensor adopted

Wide pressure range covering-0.13MPa

Double-wire mode, 420mA@HART protocol option

Intelligent LCD gauge head with backlight

With both the remote transmission and the local zero and pressure range adjustment

Complete varieties, high accuracy,good stability

High static pressure, high overload protection

Double overload protection diaphragm design

Application

Process control fields for the industries such as petroleum, chemical industry, metallurgy, electricity, food, papermaking, medicine, machine manufacturing, scientific experiment and military aviation etc. 


Product Parameters

Performance parameters

Pressure rang

±1kPa±6kPa±40kPa±100kPa±250kPa-100kPa1MPa-100kPa3MPa

Power supply

12VDC32VDC24VDC recommended

Output

420mA+HART protocol

Accuracy

±0.2%FS±1kPa);±0.1%FS±6kPa);±0.075%FS Other pressure ranges);

Temperature drift

±0.5%FS±1kPa);±0.3%FS ±6kPa);±0.25%FS Other pressure ranges

@-20℃70℃

Ambient temperature

non-explosive area -3080; with LCD gauge outfit -3070

Medium temp.

-40℃125℃

Static pressure range

±1kPa±6kPa±40kPa Static pressure resistance16MPa

±100kPa-100250kPa Static pressure resistance 25MPa

-0.11MPa-0.13MPa Static pressure resistance 40MPa

Unilateral

overpressure

16MPa

Ambient humidity

595%RH

Long-term stability

0.1%FS/year(Standard pressure range)


Structural performance

Diaphragm material

316LHastelloy C

Exhaust/Drain valve

304316L

O-ring

Silicone rubber

Filling liquid

Silicon oil

Clamp block

304316L

Structure & dimensions


Product model

PCM90D

±1kPa

PCM90D

Other pressure ranges

PCM90D

With clamp block

Outline drawing

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Production process

PCM90D Monocrystalline Silicon Differential Pressure Component with Clamp Block


                                                   Testing Equipment


PCM90D Monocrystalline Silicon Differential Pressure Component with Clamp BlockPCM90D Monocrystalline Silicon Differential Pressure Component with Clamp Block

PCM90D Monocrystalline Silicon Differential Pressure Component with Clamp BlockPCM90D Monocrystalline Silicon Differential Pressure Component with Clamp Block


Certificate

PCM90D Monocrystalline Silicon Differential Pressure Component with Clamp Block

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.