G1/4 Pressure Transducer | 0-5V Output Signal | Ceramic Sensor for Water & Gas

This pressure transducer works with 12V systems, putting out a 0-5V analog signal. It measures pressure in liquids and gases, like air or fuel. With a G1/4 thread and stainless steel body, this 12V pressure sensor transmitter fits easily into automotive or industrial equipment. Features and Benefits - Linear 0-5V analog output - Connects directly to most microcontrollers, PLCs, and data acquisition boards. - Runs on 12V DC power - Works in automotive, marine, and other mobile applications without extra converters. - G1/4 threaded stainless steel housing - Gives a secure, leak-free fit into standard ports; resists rust. - Ceramic core - Changes physical pressure into a consistent electrical signal for reliable data. Applications - Automotive Projects - A useful 12v pressure transducer for checking engine oil, fuel, or turbo boost pressure. - DIY Electronics - Build custom pressure gauges or control systems with an Arduino or Raspberry Pi. - Hydraulic and Pneumatic Systems - Use with 12V control circuits that take a 0-5V analog input signal. Safety & Preparation Before commencing any work with the G1/4 Pressure Transducer, ensure all power sources are disconnected from the system it will be integrated into. This product operates with an input voltage of 5-12V, so verify that your power supply matches this requirement. Always wear appropriate personal protective equipment, such as safety glasses, especially when dealing with pressurised systems. The transducer is designed for use with water, oil, fuel, gas, and air, but always confirm compatibility with your specific medium before installation. A clean, dry work environment is crucial to prevent contamination of the process connection. Check Excitation Voltage The G1/4 Pressure Transducer requires an input voltage of 5-12V to function correctly. Before connecting the transducer to your system, use a multimeter to verify the output of your power supply. An incorrect excitation voltage can damage the transducer or lead to inaccurate readings. Connect the positive lead of your multimeter to the positive terminal of your power supply and the negative lead to the negative terminal. Ensure the reading falls within the specified 5-12V range. This step is vital for the proper operation of the ceramic sensor. Test Output Signal (Zero Pressure / No Load) To test the G1/4 Pressure Transducer, connect it to a stable 5-12V power supply. With no pressure applied (ambient pressure), measure the output signal using a multimeter. For this product, you should expect a 0-5V output signal. This initial reading establishes the ‘zero’ point of the transducer. If the reading is significantly outside the expected range at zero pressure, it could indicate an issue with the power supply, wiring, or the transducer itself. This quick check can save time during troubleshooting. For Current Output Transducers (4–20 mA): This section does not apply to the G1/4 Pressure Transducer, as it features a 0-5V output signal. Current output transducers, such as those with a 4-20 mA signal, are commonly used in industrial applications for their robust signal transmission over long distances, less susceptible to electrical noise. Unlike the voltage output of this product, a 4-20 mA transducer would require a current meter for testing and typically operates with a higher supply voltage, often 24V. For Voltage Output Transducers (0–5V, 0–10V, or mV): The G1/4 Pressure Transducer provides a 0-5V output signal, making it a voltage output transducer. To test, connect the transducer to its specified 5-12V input voltage. Use a multimeter set to measure DC voltage. Connect the multimeter's positive lead to the transducer's signal output wire and the negative lead to the common/ground wire. At zero pressure, you should observe a voltage close to the lower end of the 0-5V range. As pressure is applied, the voltage output will increase proportionally, up to a maximum of 5V.