There is a loose convention across manufacturers for designating the type of reference that a pressure sensing device has, which can be confusing if you are unfamiliar with specifying this often overlooked but critical specification parameter.
To help identify the reference of a particular pressure range found on a product label or technical data sheet a list of abbreviated suffixes is provided below.
Vented Gauge Reference Pressure Range
Measuring pressure with reference to atmospheric pressure, also referred to as Relative and Vented Gauge:
- g
- G
- rel
- REL
- vg
- VG
Featured vented gauge reference related products
Tidal level measurement with SDI-12 interface seawater level sensor - Marine bronze submersible sensor for accurate tidal level measurement with SDI-12 for seamless integration with existing data acquisition and transceiver systems in coastal environment
Recordable indicator and sensor up to 30000 psi for pressure test rig - Accurate and reliable pressure measurement up to 30,000 psi with integrated data recording. Ideal for demanding pressure test rig applications.
Sealed Gauge Reference Pressure Range
Not vented to atmospheric pressure, but instead the reference is fixed to 1 bar.
- sg
- SG
Featured sealed gauge reference related products
Water system peak demand pressure and flow data logger - Identify peak demand and low-pressure events in your water system with the P-Triton-PF data logger. User-configurable logging regimes, 5-year battery life, and IrDA wireless communication.
SSPT Subsea Wet-Mateable Electrical Connector Pressure Sensor - This stainless steel ceramic sensing diaphragm based subsea connector pressure sensor provides a unamplified ratiometric millivolt output or an amplified analogue output signal corresponding to ranges from 0…1 bar (14.50 psi) up to 400 bar ( 5800 psi).
Absolute Reference Pressure Range
Referenced to absolute zero pressure or a perfect vacuum
- a
- A
- abs
- ABS
Featured absolute reference related products
S12S SDI-12 Coms IP68 Pressure and Temperature Sensor - Combined pressure and temperature sensor with a 1200 baud rate serial data interface as defined by the SDI-12 support group.
Wind turbine USB PC logging pressure & temperature sensor - I need to log the atmospheric pressure and temperature on the roof of a Wind turbine via a USB interface & software for a Windows PC.
Differential Pressure Range
The difference in pressure at point B compared to the pressure at point A.
- d
- D
- diff
- DIFF
- dp
- DP
Featured differential pressure related products
Using 25 mbar DP sensor on vacuum below 0.2 bar absolute - I would like to measure a differential pressure of 0 to 25 mbar in a vacuum of < 0.2 bar absolute pressure.
Climate room pressure, humidity and temperature control using a integrated environmental monitor - Simplify your climate room or cleanroom control system. By combining a dedicated low-range pressure sensor with a multi-parameter controller, you can measure and control pressure, temp, and RH with one device.
On product marking labels or any document that includes a description of the pressure range, the reference type is included after the pressure unit type e.g. 15 psi abs or 15 psia.
Related Help Guides
- Measuring vacuum with negative gauge or absolute ranges
- What is the difference between gauge and absolute pressure measurement
- Not reading zero when pressure is vented to atmosphere
- What does negative and positive gauge pressure mean
- Measuring negative pressure using a positive differential pressure range
- What is the difference between sealed gauge and vented gauge reference?
- Can you measure vacuum using a gauge pressure range
- Can you have a minus 20 psi gauge vacuum measurement range
- How do you choose the correct pressure range for a pressure sensor
- Simulating 8000 foot altitude with a pressure gauge
- Using an Absolute Sensor to Measure Gauge Reference Pressure
- Converting non-vented depth readings & barometric pressure to true depth
- Using Sealed Gauge Reference Pressure Sensing Devices
- Output signal orientation for a negative gauge pressure range
Related Technical Terms
- Gauge Reference Pressure
- MSL – Mean Sea Level
- Negative Gauge Pressure
- Reference Pressure
- SG – Sealed Gauge
- Vented Cable
- Vented Gauge
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