Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 20 years.

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  • Intelligent Remote Differential  Pressure Transmitter PCM3051-RD/RG
  • Intelligent Remote Differential  Pressure Transmitter PCM3051-RD/RG
  • Intelligent Remote Differential  Pressure Transmitter PCM3051-RD/RG

Intelligent Remote Differential Pressure Transmitter PCM3051-RD/RG

Product overview

PCM3051-RD/RG Intelligent Remote Differential Pressure Transmitter adopts advanced monocrystalline silicon pressure sensor technology and patented encapsulation process. PCM3051-RD/RG Intelligent Remote Differential Pressure Transmitter is a well-developed high-performance pressure transmitter with international leading technology. With patented double overload protection diaphragm design and internal circuit anti-surge protection design, this product can be used to measure liquid, gas or steam level, density, pressure, and flow rate, and then convert it to 4-20mA + HART current signal output.

Features

 Advanced monocrystalline silicon differential pressure sensor adopted

 2-wire, 420mA analog output, HART® protocol digital communication

 Intelligent LCD with backlight

 With remote transmission, local zero and pressure range adjustment function

Complete varieties, high accuracy, good stability

 Isolation ex-proof housing structure, strong resistance to frequency conversion interference

High static pressure, high overload protection

Patented double overload protection diaphragm design

 Lightning protection circuit design


Applications and industries

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

Product Parameters

Performance parameters


Pressure range

-66kPa, -4040kPa, -100100kPa, -100250kPa, -0.11MPa, 

-0.13MPa



Pressure type

Pressure



Supply

1232V, 24V recommended



Output

420mA+HART protocol



Accuracy

±0.1%FS (standard ranges)



Temperature drift

0.25%FS (-20℃~70, standard ranges)



Ambient temperature

-30℃~80; with LCD -30℃~70



Medium temp.

-40℃~125



Storage temp.

-20℃~70



Insulation resistance

200MΩ/250VDC



Protection

IP67



Ex-proof

Ex db IIC T6 Gb



Static pressure impact

Zero 0.15%FS/4MPa

Span 0.25%FS/4MPa



Long-term stability

±0.2%FS/2 years






Structural performance


Diaphragm material

316L, Hastelloy C, tantalum, other materials to be customized



Exhaust/Drain valve

Stainless steel



O-ring

VITON



Filling liquid

Silicon oil



Clamp block

SS304



Flange

316



Housing material

Die-cast aluminum alloy shell, painted epoxy resin coating



Electrical connection

M20×1.5 ,NPT1/2 female



Pressure connection

RD/RG High-pressure end: DN25 PN40, DN40 PN40, DN50 PN40, DN80 PN16, 2 inch tri-clamp (outer diameter 50.4mm), 2.5 inch tri-clamp (outer diameter 64mm) options

Flange execution standard GB/T 9119-2010, other standards can be customized



RD/RG Low-pressure end: M20x1.5 with welded pipe, NPT1/4(F), NPT1/2, NPT1/2(F), G1/2 with welded pipe, G1/4


Dimension drawing

Product model

                   Dimension drawing                      unit: mm

PCM3051-RD

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PCM3051-RG

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HART communication diagram

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Production process

PC90D Monocrystalline Silicon  Differential Pressure SensorPC90D Monocrystalline Silicon  Differential Pressure Sensor

PC90D Monocrystalline Silicon  Differential Pressure SensorPC90D Monocrystalline Silicon  Differential Pressure Sensor

PC90D Monocrystalline Silicon  Differential Pressure SensorPC90D Monocrystalline Silicon  Differential Pressure Sensor


                                                         Testing Equipment


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

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

Certificate

PCM3051S-DP Momocrystalline Differential Pressure Transmitter

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.