Pressure sensors for oil pressure, fuel pressure, pump pressure, or anything else you need to monitor pressure on. These come with the sensor which is threaded 1/8 NPT as well as the plug. All you have to do is wire the 3 wires in.

High Precision : Full temperature range, High Sensitivity and accuracy, Made of High Grade 316 stainless steel and high quality ceramic pressure chip , it can work perfectly in various environments.

Voltage signal Output :  0.5V to 4.5V Linear voltage output.

Wiring instructions: Red is 5v, Black is ground, Green is sensor output

0 PSI outputs 0.5 volts, 50 psi puts out 2.5 volts, 100 PSI puts out 4.5 volts on the 100 PSI sensor.

0 PSI outputs 0.5 volts, 75 psi puts out 2.5 volts, 150 PSI puts out 4.5 volts on the 150 PSI sensor.