Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 20 years.

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  • PCM3502 Hydrogen Pressure Transmitter

PCM3502 Hydrogen Pressure Transmitter

Product Description

This series of sensors is a glass micro-fused pressure transmitter developed by Wotian Technology specifically for measuring hydrogen. PCM3502 is made of 316L material. It features hydrogen permeation resistance and excellent stability, with a variety of output intrfaces available. The product also has a unique integrated structure that  eliminates leakage risks, offering good vibration and shock resistance. It is widely used in the hydrogen-powered vehicle and hydrogen measurement industries.

Features

Fully stainless steel structure

Reliable performance

Small size and light weight

Protection level IP65

Integrated structural design, no leakage risk

Mature technology, suitable for mass production

Vibration and shock resistance

Application and Industry

Pneumatic control

Hydrogen measurement

Hydrogen-powered vehicles

High-pressure pneumatic control system


Product Parameters

Performance parameters

Pressure range

0~2.5MPa...70MPa

Insulation resistance

≥100MΩ / 250VDC

Accuracy

±0.5 %FS (@25 ± 5℃)

Full temperature range accuracy

±1.5 %FS (@-20~85℃)

Response time

≤90 ms

Overload pressure

2 × pressure range

Burst pressure

4 × pressure range

Durability

≥106 pressure cycles

Operating temperature

-40℃~125℃

Storage temperature

-40℃~125℃

Shock & vibration

20g (20Hz to 2400Hz)

EMC

CISPR25: 2008 CE conducted emission

CISPR25: 2008-6.4 RE radiated emission 

CISPR25: 2008-6.4 BCI high current injection

ISO 7637-2:2011 CI power line pulse

ISO 7637-2:2011 CTE pulse emission 

ISO 7637-2:2011 MFI low-frequency magnetic field immunity

ISO 7637-3:2007 ICC signal line pulse

ISO 7637-3:2007 CCC signal line pulse

Protection level

IP65 (Round Packard can meet IP67)

Media compatibility

Hydrogen and various media compatible with 316L stainless steel


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

Φ19×14mm Oil Pressure Sensor PC10Φ19×14mm Oil Pressure Sensor PC10

Φ19×14mm Oil Pressure Sensor PC10Φ19×14mm Oil Pressure Sensor PC10


Certificate


PCM390 Compact structure Pressure Transmitter

Company profile

PCM580 Digital Pressure Gauge (Φ80mm)

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 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.