Absolute Sensors

Find a pressure transducer or transmitter for measuring absolute referenced pressures with a millivolt, amplified voltage, current loop or digital output.

Specify your absolute pressure sensor requirements

Versatile low price pressure transducer with a wide selection of electrical and mechanical options to enable the customisation of the sensor to suit most industrial, automation and OEM design installations. A dry cell ceramic strain gauge sensing diaphragm provides a high corrosion resistance to many types of harsh chemical media commonly found in automated industrial processes and machinary monitoring applications.

Stainless steel pressure transmitter with ranges from 100mbar up to 40 bar gauge or absolute with optional accuracy ranging from the standard 0.35% FS up to 0.1% FS. Special options such as ATEX approval, SIL approval and compound ranges are also available.

High precision pressure transmitter with an accuracy of 0.1%FS BSL NLHR and digitally adjustable pressure ranges from 400mb up to 40 bar gauge & absolute

High precision pressure transducer with an accuracy of 0.05% full scale including temperature errors over +10 to +40 deg C. Available in pressure ranges from 1 to 1000 bar gauge or absolute with a RS485 digital interface plus an optional USB or RS232 converter cable for connecting to a desktop or laptop PC.

Highly accurate digitally compensated pressure transducer with G1/2 male flush pressure port. Designed for use on viscous media or where a flush face is required for easier cleaning when used with food, drink or hazardous substances such as Oxygen. Select pressure ranges as low as 1 bar or as high as 1000 bar. Standard digital output is RS485 which can be converted to RS232 or USB via optional converter cables.

Motorsport pressure transducer with 21mm diameter and and 24mm body length for pressure ranges from 0.5 up to 400 bar gauge or absolute. Available with millivolt and amplified voltage output signals covering the majority of motorsport analogue input signals.

Dual analogue output signal transmitter for simultaneous measurement of media pressure and temperature. Pressure ranges from 100 mbar up to 1000 bar and temperature measuring range from -25 to 100 DegC. To ensure good thermal contact with the media the temperature is measured just behind a flush diaphragm which has sufficient surface area to ensure minimal losses in media temperature at point of measurement.

Screw-in pressure transmitter with flush stainless steel 316L diaphragm for measuring pressures of fluids with very high viscosity from 900 psi up to 6000 psi gauge or absolute. Options available for high temperatures up to 300 deg C and intrinsic safety.

Sanitary pressure sensor wth exposed diaphragm with no crevices for high temperatures up to 300 Degrees Celsius in ranges from 100mb up to 40 bar gauge or absolute

Stainless steel 316L wetted parts pressure sensor for high pressure ranges from 60 bar (900 psi) up to 600 bar (9000 psi). Used on applications such as hydraulic test benches, presses, injection moulding machines, hydraulic actuation and vehicle hydraulic systems. Accurate to 0.35% FS with options for 0.25% or 0.1% FS. Good long term stability of 0.1% FS over a period of 1 year.

High performance transducer with adjustable scaling for modifying the pressure range for different applications. Ranges from 0-60 bar up to 0-600 bar gauge or absolute. The output signal is accurate to 0.1% of base range or 0.5% with a 10:1 turn-down, and a 14 bit analogue to digital conversion provides a high resolution amplified output. Optional software and interface kit is available for re-ranging the output signal.

Three in one electronic pressure switch, digital pressure gauge and pressure sensor with pressure ranges from 100 mbar up to 600 bar (1.5 to 9000 psi) gauge or absolute.

Measure vacuum, positive gauge and absolute pressures from -1 bar (-15psi) up to 40 bar (600psi) with this all in one electronic switch, gauge and sensor. Designed specifically for use in the food, drink and biomedical industry for measuring process pressures and vessel contents. Choose dairy pipe or clamp type sanitary process fittings and select a food grade oil fill as the diaphragm isolation fluid. For pharmaceutical installations requiring hazardous dust protection the instrument includes the option for ATEX intrinsic safety.

Combined sensor, electronic switch and digital gauge with an all welded stainless steel flush face diaphragm for measuring the pressure of high viscosity liquids or gases and fluid requiring a high level of cleanliness. Choose measuring ranges from 60 bar up to 400 bar with gauge or absolute reference. Select different sizes of BSP thread for a screw-in type pressure fitting. The integrated digital readout can be configured to read in any pressure units and process pressure limits can be set for controlling external equipment.

Economical IP68 protected sensor with stainless steel 316L housing and Ceramic strain gauge sensing diaphragm for measuring liquid depth pressure or the pressure in a submerged pipe or vessel. Measure hydrostatic pressure from from 0 to 10 mWC (33 ftWC) up to 0 to 100 mWC (330 ftWc) and convert reading to a millivolt, current or voltage signal output. The Ceramic diaphragm has a high chemical resistance to media such as leachate and seawater, and the housing can be upgraded to Duplex stainless steel if necessary for extra material protection. A PUR coated cable is fitted as standard, but for additional chemical protection an FEP coated cable can be supplied.

Piezo-resistive pressure transducer with a 2mV/V or 10mV/V output signal in pressure ranges from 0.5 bar up to 700 bar gauge or absolute.

Low cost ceramic diaphragm pressure transmitter available on a short lead time. Pressure ranges starting from 0-500 mbar up to 0-700 bar gauge or absolute. Electrical signals 4-20mA, 0-5V or 0-10V can be selected. A choice of DIN plug connector or integral cable can be specified for the electical interface.

Water resistant pressure sensor for measuring hydrostatic pressures in the range of 0-0.5 mWC up to 0-100 mWC. An all stainless steel 316L construction with Viton O rings seals and a choice of PUR, PVC or FEP vented cabling. The IMSL is used for measuring groundwater, aquifer, reservoir and borehole water level. The internal silicon strain gauge sensor provides a stable water level reading accurate to 0.1% of span linearity with low hysteresis and repeatability errors.

Marine approved level transmitter with 4-20mA current loop output for measuring the level of contents inside a ships ballast, fuel, liquid cargo or wastewater tanks with optional all CuNiFe construction for sea-water compatibility in ranges from 0.4 mH2O to 200mH2O gauge or absolute.

SDI-12 protocol transducer for sensing water depth level and temperature in seawater, brackish water, tidal water, saline water or leachate. The digital interface conforms to the requirements of the SDI12 support group and can be used with environment monitoring equipment which supports the SDI12 digital communications interface. A high corrosion resistant ceramic diaphragm is fitted a standard and stainless steel 316L, Duplex or Marine Bronze housing materials can be chosen to suit the application requirements. Measure salt water depth in the ranges starting from 0-10 metres up to 0-100 metres, including absolute non-vented ranges from 1.5 bar up to 10 bar absolute.

Combined pressure and temperature sensor with a 1200 baud rate serial data interface as defined by the SDI-12 support group. The S12S is a submersible probe used for monitoring water level and temperature. The SDI-12 digital interface is specially designed for low power, battery operated instrumentation such as on-site environmental dataloggers. Measure the rise and fall of water levels in ranges from 0 to 2 feet up to 0 to 300 feet of water column.

Analogue output sensor for immersing in seawater to determine depth or change in water level by measuring hydrostatic pressure. This sea depth probe has a Marine bronze housing and Ceramic diaphragm for protection from saltwater corrosion. Select fixed ranges from 10 metres (33 feet) up to 100 metres (328 feet) depth in a number of analogue output configurations including low voltage strain gauge, amplified voltage and current loop output. Also suitable for use in brackish and inland tidal water or any other application where there is the risk of corrosion form a saline liquid.

Passive compensated pressure transducer with a four arm semiconductor Wheatstone bridge circuit which produces a 100 millivolt with a 10 volt excitation. Pressure ranges from 0-100mbar up to 0-1000bar gauge or absolute. The silicon sensing chip is totally isolated from the media by an oil filled stainless steel 316L capsule with isolation membrane. This sensor is ideally suited for high frequency response applications since the output is only limited by the natural response of the silicon sensing capsule.

Process transmitter for measuring vacuum, steam, food, pharmaceutical, oil, gas and other pressure readings necessary for the monitoring and control of bulk production processes. Suitable for deploying in many locations and feeding pressure readings back to the site distributed control system (DCS). Includes HART protocol interface, 10:1 adjustable range scaling and ATEX intrinsic safety as standard, with options for 300degC media temperature and integrated local digital indicator. Available in pressure ranges from 0-400mbar up to 0-600 bar gauge or absolute, and compound ranges from -0.4 to +0.4 bar up to -1 to 10 bar gauge.