
301 compact pressure transmitter
Compact pressure transmitter with digital display
Vent hole design for internal and external pressure balance
High accuracy 0.25% FS precision
Diffused silicon sensing core for stable performance
Resistant to instantaneous pressure impact
316L stainless steel connector for corrosion resistance
Suitable for water, gas, oil, and hydraulic pressure measurement

Application
- Steel and coal industry pressure monitoring
- Industrial automation control systems
- Energy and environmental protection equipment
- Thermal power and chemical industry
- Building materials and light industry machinery
- General industrial pressure measurement
Description
The 301 compact pressure transmitter is designed for accurate and stable pressure measurement in industrial environments. It features a diffused silicon sensor core combined with a digital display to provide reliable and precise pressure readings.
The transmitter adopts an external vent hole design, which balances internal and external pressure to prevent diaphragm deformation and ensure higher measurement accuracy. This structure also helps the device resist instantaneous pressure shocks and maintain long-term stability.
Equipped with a 316L stainless steel connector, the transmitter offers excellent corrosion resistance and strong pressure resistance, making it suitable for measuring water, gas, oil, and hydraulic pressure. Its compact structure allows convenient installation in various industrial systems.
2-Wire 4–20 mA Output Wiring Diagram

3-Wire 0–10 mA Output Wiring Diagram

Dimension

Features
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Compact and lightweight structure
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0.25% FS high-precision measurement
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Diffused silicon sensing element for stable performance
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External vent hole design for pressure equalization
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Prevents diaphragm deformation for accurate measurement
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Strong resistance to instantaneous pressure impact
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Digital display for clear real-time readings
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316L stainless steel connector with corrosion resistance
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High reliability and long service life
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Suitable for multiple industrial environments
Technical Details
Product Type
Compact Digital Pressure Transmitter
Accuracy
0.25% FS
Sensor Type
Diffused Silicon Sensor
Connector Material
316L Stainless Steel
Structure
Vent Hole Type Pressure Transmitter
Measurement Media
Water, gas, oil, and hydraulic fluids
Display
Digital pressure display
Pressure Resistance
High pressure resistance and shock resistance
Application Fields
Steel industry, industrial automation, energy, chemical processing, environmental protection, machinery industry
Accessories
What media is this pressure transmitter suitable for?
It is suitable for measuring the pressure of water, gas, oil, and hydraulic media.
What is the output signal of the 301 Compact Pressure Transmitter?
The product provides wiring diagrams for both 2-wire and 3-wire configurations, including application examples for 4–20 mA and 0–5 V / 0–10 V signals. Please select the appropriate output configuration based on the wiring diagram and your system requirements.
What is the accuracy of this transmitter?
The accuracy is 0.25% FS (Full Scale), ensuring high-precision measurement performance.
What are the main features of this product?
Compact and lightweight design Diffused silicon sensing element for stable performance External vent design to balance internal and external pressure Strong resistance to transient pressure shocks 316L stainless steel connection, corrosion-resistant High reliability and long service life
What is the purpose of the external vent design?
The external vent is used to balance internal and external pressure, preventing diaphragm deformation and improving measurement accuracy and stability.
In which industries can this product be used?
It is widely used in industries such as steel, industrial automation, energy and environmental protection, thermal engineering, chemical processing, building materials, and light industry machinery.
Is the product resistant to shock or pressure fluctuations?
Yes, the product is designed to withstand transient pressure shocks, ensuring stable and reliable performance.
Is the installation of the 301 Compact Pressure Transmitter complicated?
No, it uses standard industrial wiring methods, making installation simple and convenient.























