CE Certification High-Precision 3051 Pressure Transmitter GPAP from China Suppliers Factory - Intelligent Digital Display Sensor for Industrial Use Manufacturers, Suppliers

The 3051 series is a high-precision, stable digital display intelligent transmitter, designed and manufactured in China. This advanced device utilizes single-crystal silicon packaged sensor technology, making it ideal for measuring pressure, flow rate, level, and density across a variety of media, including liquids, gases, and steam. As a leading supplier in the industry, our factory produces transmitters that support multiple output formats, ensuring they meet diverse control and regulation needs in modern industrial systems. These formats include standard 4~20mA analog signals, optional HART communication protocol, and industrial bus protocols such as RS485-Modbus and FF, The exceptional performance of the 3051 series allows it to be extensively utilized in various industrial sectors, including chemical, petrochemical, power generation, natural gas, pulp and paper, new energy, environmental protection, food, medicine, and smart cities, as well as in equipment integration. With the outstanding capabilities of the monocrystalline silicon sensor, this product meets numerous qualification certifications, making it suitable for deployment in complex working environments. Choose our 3051 series transmitters for reliable, high-quality solutions tailored to your industrial applications, backed by a trusted supplier in China

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% Material SS316
Membrane material 316L, Hastelloy, tantalum, Monel alloy, gold plated Power supply 24V DC
Output signal 4-20mA DC+Hart, RS485, Zigbee, Foundation Fieldbus Long-term stability ±0.1%FS/3 years
Operating temperature -40℃~+85℃ / -20℃~+65℃ (with display) Explosion-proof level Exd II CT6 、Exia II CT6

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

Selection of isolation diaphragms such as stainless steel, Harbin alloy, Monel alloy, or 316L gold-plated materials
Components such as the chamber, drain plug, and insertion cylinder assembly can be made of appropriate corrosion-resistant materials depending on the measured medium
Ensures reliable operation even in highly corrosive environments such as chlor-alkali salt production and seawater.

Diverse Communication Solutions

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Meets various control tasks providing HART and FF fieldbus interfaces.
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Factory automation products meet RS485 or 10-LINK bus systems.
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Intelligent data cloud platforms and professional wireless solutions via NB-IoT/4G/LoRaWAN, etc.

Application Areas

Tank level measurement in petrochemicals and food/drug storage
High-pressure sealing tests in metallurgical and gas applications
Pressure monitoring of valves before/after pumps in chemical and hydropower
Filter differential pressure signal monitoring in metallurgy and chemical engineering
Differential pressure measurement of high temperature steam pipeline
Boiler drum liquid level measurement

Frequently Asked Questions (FAQ)

Q1: What is the maximum accuracy level of the GP/AP-3051?

The GP/AP-3051 offers high-precision measurement with accuracy options of ±0.05%, ±0.075%, and ±0.1%.

Q2: Which materials are available for highly corrosive media?

We provide isolation diaphragms in 316L stainless steel, Hastelloy, Tantalum, Monel alloy, and gold-plated options to withstand various corrosive environments.

Q3: Does the transmitter support wireless data transmission?

Yes, we provide professional wireless solutions including NB-IoT, 4G, and LoRaWAN for intelligent data cloud platforms.

Q4: What are the explosion-proof ratings for this product?

The product is certified with Exd II CT6 and Exia II CT6 explosion-proof levels, making it suitable for hazardous industrial zones.

Q5: Can this transmitter be used for steam pipeline measurement?

Absolutely. It is designed for differential pressure measurement in high-temperature steam pipelines and boiler drum liquid level monitoring.

Q6: What is the long-term stability of the device?

The transmitter maintains a stability of ±0.1% FS over a 3-year period, ensuring reliable long-term performance.

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