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Gauge Pressure Sensors | Relative Pressure Sensors
This section illustrates our range of gauge pressure sensors that can be used to measure pressure referenced to ambient atmospheric pressure.
Gauge pressure sensor ranges covered are 0-50mbar up to 0-3000bar, as well as negative pressures below atmospheric pressure down to -1bar gauge (full vacuum).
Gauge pressure sensor output signal available include mV/V, 0.5-4.5Vdc, 0-5Vdc, 0-10Vdc and 4-20mA, with customised outputs available on request.
All gauge pressure sensor models can be supplied with digital displays and indicators, signal digitisers, telemetry systems, data loggers and acquisition equipment from our range of transducer instrumentation. Calibration traceable to GB standards is available on all gauge pressure sensors and systems.
What is Gauge Pressure?
Gauge pressure, also known as ‘relative pressure’ or ‘vented gauge pressure’, is the measurement of pressure relative to the current atmospheric or barometric pressure.
A gauge pressure sensor has the back of the sensing element open (or ‘vented’) to provide a reference to atmospheric pressure.