CE Certification China 3051 Pressure Transmitter GPAP - High-Precision Intelligent Transmitter from Leading Suppliers & Factory Supplier, Factory

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The 3051 series is a cutting-edge digital display intelligent transmitter known for its high precision and exceptional stability. Designed with advanced single-crystal silicon sensor technology, this transmitter is ideal for measuring pressure, flow rate, level, and density across various media, including liquids, gases, and steam. It offers multiple output formats, ensuring it meets diverse control and regulation requirements in modern industrial systems. The device supports standard 4~20mA analog signals, optional HART communication protocol, and industrial bus protocols like RS485-Modbus and FF.

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Renowned for its superior performance, the 3051 is extensively utilized in multiple sectors, such as chemicals, petrochemicals, power generation, natural gas, pulp and paper, new energy, environmental protection, food and pharmaceuticals, and smart cities. As a leading transmitter from trusted China suppliers and manufacturers, the 3051 series is designed to excel in complex working environments and meets stringent qualification certification standards, making it a reliable choice for equipment integration and industrial applications.

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Product Description

Product Specifications
Type Gauge pressure / Absolute pressure Ingress Protection IP67
Customized support OEM ODM OBM Model number GP/AP-3051
Range 6kPa – 40MPa Measuring medium Liquid, gas or steam
Accuracy ±0.05%、±0.075%、±0.1% Membrane material 316L, Hastelloy, tantalum, Monel alloy, gold plated
Output signal 4-20mA DC+Hart, RS485, Zigbee, Foundation Fieldbus Material SS316
Operating temperature -40℃ ~ +85℃ / -20℃ ~ +65℃ (with display) Power supply 24V DC
Explosion-proof level Exd II CT6、Exia II CT6 Long-term stability ±0.1%FS / 3 years
Advanced Sensor Technology
1 Ultra-high precision single-crystal silicon material, silicon-silicon bonding, reducing stress effects
2 High overload protection diaphragm, achieving high pressure overload and static pressure protection functions
3 Ultra-high vacuum oil filling process
4 Superior anti-interference capability
Multiple Corrosion-Resistant Materials
1 Selection of isolation diaphragms such as stainless steel, Harbin alloy, Monel alloy, or 316L gold-plated materials
2 Components such as the chamber, drain plug, and insertion cylinder assembly at the interface between the transmitter and the measured medium can be made of appropriate corrosion-resistant materials depending on the measured medium
3 Ensures reliable operation of the product even in highly corrosive environments such as chlor-alkali salt production and seawater
Diverse Communication Solutions
1 Meets various control and regulation tasks in the industry, such as providing HART and FF fieldbus interfaces
2 Its products for factory automation also meet RS485 or IO-LINK bus systems
3 Can provide customers with intelligent data cloud platforms and professional wireless sensor and transmitter solutions via NB-IoT / 4G / LoRaWAN, etc.
Application Areas
Tank level measurement in industries such as petrochemicals and food and drug storage
High-pressure sealing tests in metallurgical, chemical, and gas application applications
Pressure monitoring of valves before and after pumps in industries such as chemical, hydropower, and gas
Filter differential pressure signal monitoring in industries such as metallurgy and chemical engineering
Differential pressure measurement of high temperature steam pipeline
Boiler drum liquid level measurement
Frequently Asked Questions
Q What pressure ranges does the GP/AP-3051 pressure transmitter support?
The GP/AP-3051 supports a wide measurement range from 6 kPa to 40 MPa, covering both gauge pressure and absolute pressure measurement types, making it suitable for a broad spectrum of industrial applications.
Q What communication protocols does the transmitter support?
The transmitter supports multiple communication protocols including 4-20mA DC + HART, RS485, Zigbee, and Foundation Fieldbus. Wireless solutions via NB-IoT, 4G, and LoRaWAN are also available for smart cloud platform integration.
Q Is the GP/AP-3051 suitable for corrosive environments?
Yes. The transmitter offers a variety of corrosion-resistant diaphragm materials including 316L stainless steel, Hastelloy, Monel alloy, tantalum, and gold-plated options. It is designed to operate reliably in highly corrosive environments such as chlor-alkali production and seawater applications.
Q What is the accuracy and long-term stability of this transmitter?
The GP/AP-3051 offers accuracy levels of ±0.05%, ±0.075%, and ±0.1%, with a long-term stability rating of ±0.1% FS over 3 years, ensuring consistent and reliable measurement performance over time.
Q What are the main application areas for this pressure transmitter?
The GP/AP-3051 is widely used in petrochemical storage tanks, food and pharmaceutical industries, metallurgical and chemical high-pressure testing, pump and valve pressure monitoring, filter differential pressure monitoring, high-temperature steam pipelines, and boiler drum level measurement.
Q Are OEM, ODM, or OBM customization services supported for the GP/AP-3051?
Yes, OEM, ODM, and OBM customization services are fully supported for the GP/AP-3051 pressure transmitter. Customers can request tailored solutions in terms of materials, communication interfaces, branding, and more to meet specific project requirements.

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