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Pressure transmitters are essential components in countless industrial and scientific applications, accurately converting physical pressure into an electrical signal. Selecting the appropriate transmitter is critical for ensuring system reliability, safety, and precise process control. Making an informed decision will prevent costly downtime and potential hazards.
High Accuracy & Stability：Delivers ±0.5% FSO accuracy with low thermal drift for stable pressure measurement from -40°C to +80°C.
Stainless Steel Construction：304 SS housing and process connection with 316L SS diaphragm provide durability and corrosion resistance for liquid, gas, and oil media.
4-20mA Output：24V DC loop-powered, 2-wire 4-20mA output for easy integration with PLC, DCS, and industrial controllers.
IP65 Industrial Design：Hirschmann connector with IP65 protection, 1/4" NPT male thread, 150% FS overload, and 250% FS burst pressure.
Wide Applications：Suitable for process control, hydraulic systems, pumps, compressors, refrigeration, HVAC, and general pressure monitoring.
G1/4" PRESSURE TRANSDUCER SENSOR: Features 5V input with dual output options (0.5-4.5V/0-5V). Measures 0-80PSI/5.5BAR pressure range using stainless steel construction (74g/2.6oz). Includes voltage protection
PRESSURE SENSOR FUNCTIONALITY: This pressure sensor converts detected pressure to electrical signals. Utilizes precision compensation technology and sensitive components
PRESSURE TRANSDUCER APPLICATIONS: Ideal for detecting liquid/gas in oil, fuel, water systems (0-500PSI/34.5BAR configurable). Compact design (G1/4" thread) suits multiple industrial uses
TANK COMPATIBILITY: Specifically designed for water/gas/ tanks monitoring. Lightweight structure (2.6oz) enables easy installation in confined spaces
WIRE COLOR CODING: Red (5V power), Black (Ground), Green (Signal output) with 20cm PVC cable. Includes complete installation guide
【Standard Specifications】24VDC rated power supply, 4-20mA standard output, 0.5% F.S. (full-scale error) accuracy, 2-meter cable, 1/4-inch NPT industrial thread
【Excellent Material】 Constructed from fully welded 316L/17-4PH stainless steel, providing high corrosion, shock, and vibration resistance. IP65 waterproof, suitable for harsh industrial environments.
【Measuring Medium】 Designed to measure gas, liquid, and other physical media, converting pressure into standard electrical signals for integration with PLC systems, controllers, and data acquisition modules.
【Stable Performance】With advanced signal processing technology, the pressure transmitter ensures stable data output even in long-term continuous operation, reducing signal interference and data deviation.
【Easy to operate】: This pressure transmitter is lightweight, portable, compact, and easy to install and operate.
【Product Parameters】: Voltage Signal Output:0.5V- 4.5V linear voltage output,working power :5V DC. Pressure range: 0-100 PSI. 0 psi outputs 0.5V, 50 psi outputs 2.5V, 100 psi outputs 4.5V.Thread size: 1/8" - 27 NPT.
【High Quality Materials】: The Pressure Transformer Sensor is made of advanced 316 stainless steel and high-quality ceramic pressure plates, which are sturdy, durable, responsive, accurate in measurement, highly reliable, with a damping design and...
【High-precision】: The pressure sensor has a small output error of ± 1.0% FS, a full temperature range, high sensitivity and accuracy, including nonlinearity, hysteresis error, and repeatability.
【Widely Used】: Pressure gauge sensor has a wide range of applications, works for oil, fuel, gas, water, air pressure, can be used in oil tank, gas tank, tank etc.
【Easy Operation】: Lightweight, small in size, easy to install and operate.
Safer Working: The pressure transducer equipped with sensitive ceramic diaphragm with high overload capacity, works with great stability
Accurate Uses: The fuel psi sensor using ASIC technology, the transmitter has calibration and digital compensation for high accuracy,that guarantee accurate and reliable pressure readings
Good Material: Crafted from stainless steel and designed with a sturdy structure, the transducer sensor is highly durable, offering resistance against wear and corrosion for long-lasting performance
Versatile Application: With the capability to support standard voltage and current output modes, the water pressure sensor is suitable for a wide range of applications in both civil and industrial settings
User-Friendly Installation: Featuring an advanced design and meticulous craftsmanship, the fuel pressure sensor offers easy and hassle-free installation, providing added convenience for users
pressure transducer /pressure Sender/ Pressure Transmitter, Our material is using top of line 316 stainless steel (not 304)and high temperature auto-graded plastic
Output: 0.5V – 4.5V linear voltage output. 0 psi outputs 0.5V, 50 psi outputs 2.5V, 100psi outputs 4.5V;(Power:5VDC)
Pressure Medium:The gas and liquid which is compatible with 316L stainless steel
Last update on 2026-07-18 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Pressure Transmitters
Understanding Pressure Transmitter Types
Absolute Pressure Transmitters: Measure pressure relative to a perfect vacuum. Ideal for applications where atmospheric pressure fluctuations could interfere with readings, such as barometric pressure monitoring or vacuum systems.
Gauge Pressure Transmitters: Measure pressure relative to ambient atmospheric pressure. This is the most common type, used in systems like hydraulic or pneumatic lines where the pressure above atmospheric is the key variable.
Differential Pressure Transmitters: Measure the difference between two pressures. Crucial for flow rate calculations (using orifice plates or venturi meters), liquid level measurement in sealed tanks, and filter monitoring.
Sealed Gauge Pressure Transmitters: Similar to gauge transmitters, but the reference port is sealed, often to a specific pressure. Useful in environments where venting to atmosphere is not feasible or desirable.
Key Performance Specifications to Consider
Accuracy: This is a primary factor, usually expressed as a percentage of full scale. Higher accuracy is needed for critical control loops and precise measurements.
Range: The minimum and maximum pressure the transmitter can accurately measure. Ensure the operational range of your system falls well within the transmitter's specified range.
Output Signal: Common outputs include 4-20mA (analog), HART, Foundation Fieldbus, or Profibus (digital). Ensure compatibility with your existing control system or data acquisition hardware.
Operating Temperature and Media Compatibility: Transmitters must withstand the ambient temperature and the chemical properties of the medium being measured. Check material compatibility to prevent corrosion or damage.
Environmental and Installation Factors
Ingress Protection (IP) Rating: Essential for transmitters used in dusty or wet environments. Look for higher IP ratings (e.g., IP65, IP67) for robust protection against solids and liquids.
Hazardous Area Certifications: If the transmitter will be used in potentially explosive atmospheres (e.g., oil and gas, chemical plants), ensure it has the necessary certifications like ATEX or IECEx.
Connection Type: The process connection (e.g., NPT, BSP) and electrical connection need to match your installation requirements.
Frequently Asked Questions
What is the difference between absolute and gauge pressure?
Gauge pressure measures the difference between the measured pressure and the surrounding atmospheric pressure. Absolute pressure measures the difference between the measured pressure and a perfect vacuum, making it independent of atmospheric variations.
How do I choose the right pressure range?
Select a range that comfortably encompasses your system's expected minimum and maximum operating pressures, with some margin for safety. Avoid selecting a range that is too wide, as this can reduce accuracy at typical operating points.
What does a 4-20mA output signal mean?
This is a common analog output signal where 4mA represents the lowest pressure in the transmitter's range and 20mA represents the highest. It is widely compatible with industrial control systems.
Why is media compatibility important?
The materials of the transmitter's wetted parts must be compatible with the fluid or gas being measured to prevent corrosion, degradation, or contamination. Choosing the wrong materials can lead to premature failure or inaccurate readings.
What is an IP rating?
The Ingress Protection (IP) rating indicates how well a device is protected against solids (like dust) and liquids (like water). Higher numbers generally mean better protection, which is crucial for devices used in harsh environments.
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