Explosion-Proof Pressure Transmitter PCM301J
Product Description
This series of sensors is a glass micro-melting pressure transmitter developed by our company specifically for measuring hydrogen. It is made of 316L material, resistant to hydrogen penetration, good stability, and has multiple output interfaces. It has a unique integrated structure, no leakage risks, and good vibration and impact resistance. It is widely used in hydrogen energy vehicles and hydrogen measurement industries.
Features
■ Full 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 | |
Service life | ≥ 1 0 6 pressure cycles | |
Operating temperature | -40 ℃ ~ 125 ℃ | |
Storage temperature | -40 ℃ ~ 125 ℃ | |
Shock Vibration | 20 g (2 0 Hz to 2 400 Hz) | |
Performance parameters (continued) | ||
EMC | CISPR25:2008 CE Conducted Emission ISO 7637-2:2011 CTE Pulsed Emission CISPR25:2008-6.4 BCI high current injection ISO 7637-3:2007 ICC signal line pulse | |
Protection level | IP65 (Round Packard can meet IP67 ) | |
Medium | Various medium compatible with 316L stainless steel and hydrogen |
Output and power supply | |||||
Code | B1 | B6 | |||
Output | 4~20mA | 0.5~4.5VR/M | |||
powered by | 12~30VDC | 5VDC |
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 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.