An introduction to the dp flow method of using a differential pressure sensor for measuring the flow of liquids and gases.
Pressure Sensors
Measuring density of a liquid using a dp sensor
This guide provides an overview of methods for measuring liquid density using differential pressure sensors in various tank configurations and conditions.
Measuring liquid level in a tank using a dp sensor
Differential pressure sensors can be used to measure liquid level in a tank. Here we will explain how a DP sensor is used to measure liquid level.
Measuring vacuum as a negative gauge pressure using a dp sensor
Learn how a differential pressure sensor (dp sensor) can be used to measure a partial vacuum as a negative pressure relative to local surrounding air pressure.
Measuring vacuum as an absolute range using a dp sensor
Find out how to use a differential pressure sensor (dp sensor) to measure a partial vacuum as a positive pressure relative to full vacuum.
Measuring barometric pressure using a dp sensor
Learn the method to convert a differential pressure (DP) sensor for barometric pressure measurement.
Measuring absolute pressure using a dp sensor
Learn the method to convert a differential pressure (DP) sensor for absolute pressure measurement.
Measuring gauge pressure using a dp sensor
Differential pressure sensors can double as gauge pressure sensors. Here we will explain how a DP sensor is used to measure gauge pressure.
Rangeable Pressure Transmitters
Rangeable pressure transmitter which can be down-ranged by the operator to scale the 4 to 20mA output signal to a different pressure range.
Low Range DP Voltage Output Transducers
Low pressure range dp transducers for measuring draft pressures in ventilation systems or air extraction systems.
Sanitary Voltage Output Pressure Transducers
All stainless steel voltage output pressure transducers for sanitary applications such as monitoring food, brewing, medicine and dairy production processes.
OEM Millivolt Output Pressure Transducers
OEM pressure transducer with strain gauge bridge output signal for incorporating into OEM instrumentation design for easy adaption into your own custom mechanical configuration and electrical interface.
High Range Pressure Millivolt Output Transducers
High pressure transducers with millivolt output signal for testing hydraulic pressures.
Flush Diaphragm Millivolt Output Pressure Transducers
Exposed flush face diaphragm pressure sensor with millivolt output signals for measuring the pressures of high viscosity liquids or where the internal volume of the pressure connection needs to be eliminated.
Vacuum Digital Interface Pressure Sensors
Vacuum range digital interface pressure sensors for connecting to computer serial bus or other intelligent interface.
Vacuum Range Calibration Equipment
Calibration pumps for generating vacuum pressures to check vacuum reading accuracy of sensors, gauges and switches with a master vacuum test gage.
HVAC Pressure Sensors
Sensors used for measuring heating, ventilation and air conditioning parameters.
Digital Interface DP Sensors
Differential pressure sensors with digital interfaces for RS485, RS232 or USB communications with a computer.
Air DP Sensors
Air differential pressure sensors for monitoring and controlling air pressures across filters, through ventilation control vanes, in laminar air flow cabinets and between clean room partition walls.
Intrinsically Safe DP Sensors
Intrinsically safe differential pressure sensors with EEx certification for use in potentially explosive atmospheres with an intrinsically safe zone barrier.
Rangeable DP Sensors
Rangeable differential pressure sensors with output signals that can be adjusted by the user to elevate or suppress the zero position and turn down the full range span.
Low Range DP Sensors
Low range differential pressure sensors for measuring very small pressure differences.
High Accuracy DP Sensors
High accuracy differential pressure sensors for measuring with a high degree of accuracy and resolution to obtain precise dp readings.
High Accuracy Digital Interface Pressure Sensors
Digital output pressure sensors with high accuracy measurement via RS485, USB and RS232 interfaces at room temperature and over the operating temperature range.
Air Pressure Sensors
Analogue & digital output pressure sensors specially designed for applications involving the measurement of air systems.
Digital Interface Air Pressure Sensors
Digital pressure sensors for air measurements in research and test applications where high resolution & accuracy is required.
High Range Digital Interface Pressure Sensors
Hydraulic range pressure sensors with USB, RS232 or RS485 interface electronics. Improve high pressure measurement accuracy with a high resolution computer interface.
Pressure Sensor Calibration Error Calculator
Use this tool to calculate the output error of a pressure sensor by entering the calibration reference pressure reading, pressure sensor range and measured output.
Pressure Sensor Output Calculator
This tool will calculate the expected output signal from a pressure sensor of a certain specified pressure range and applied pressure. It is also possible to reverse the function of the tool to calculate the applied pressure expected to produce a specific output reading.
Pressure Sensor Calculator
This multi-function tool can be easily adapted to calculate all the main parameters required by users when setting up, configuring and calibrating the different types of pressure sensors.
Inward air-flow DP sensor with 1 sec response time
This DP sensor has response time of less than 5 milliseconds, and will measure the difference between the closed system and the surrounding air in both directions.
DCT531P RS485 Modbus RTU Flush Pressure Sensor
RS485 Modbus RTU serial interface pressure sensor with exposed all welded stainless steel 316L flush diaphragm in ranges from 100mb up to 40 bar gauge or absolute.
Pressure Transmitter 0-20mA Current Output Calculator
This pressure transmitter 0 to 20 milliamp current output calculator provides a way to determine the output reading from the applied pressure and pressure transmitter range.
Pressure Sensing Errors Calculator
This tool will calculate the total worst case & root sum squared pressure error band, long term stability, thermal effects error, room temperature accuracy or pressure value for a pressure sensing device.
How do you choose the correct pressure range for a pressure sensor
The pressure range is the most complicated and confusing specification parameters to define for a pressure sensor.
4-20mA Output Pressure Sensors
Choose from an extensive range of pressure with a 4 to 20 milliamp current output signal.
Checking the LHR error of a 0-5 Vdc output pressure transducer
We have a transducer which is rated for 0-2000 psi, and it outputs 0-5 Volts. The specification document states that the accuracy is a combined LHR of +/- 0.5 %FS, how would we check this?
Titan TPTLRd Low Range Digital Pressure Sensor
This low range pressure sensor has a digital communications interface output and uses an oil filled silicon piezo-resistive sensing element housed in a robust stainless steel housing to measure pressure of liquid or gases.
Titan TPTd Digital Pressure Sensor
This compact ceramic sensing diaphragm pressure sensor has a I2C (Inter-Integrated Circuit) or SPI (Serial Peripheral Interface) protocol digital interface for reading the measured pressure with ranges from 0…0.5 bar (7.25 psi) up to 600 bar ( 8700 psi).
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).
Titan TPTLR Low Range Millivolt Output Pressure Transducer
This compact stainless steel oil filled silicon piezoresistive sensor capsule based pressure transducer provides a millivolt strain gauge bridge output for ranges from 0…50 mbar (20 inWG) up to 20 bar (290 psi).
Titan TPTLRa Low Range Amplified Analogue Output Pressure Sensor
This compact stainless steel oil filled silicon piezoresistive sensor capsule based pressure transducer provides an amplified analogue output signal corresponding to ranges from 0…50 mbar (20 inWG) up to 20 bar (290 psi).
Underground Mining Intrinsically Safe Pressure Transmitters
Pressure transmitters which have been approved for use with intrinsically safe installations in underground mines.
Titan TPT Millivolt Output Pressure Transducer
This compact ceramic sensing diaphragm pressure transducer provides a millivolt strain gauge bridge output for ranges from 0…0.5 bar (7.25 psi) up to 600 bar ( 8700 psi).
Titan TPTa Amplified Analogue Output Pressure Sensor
This compact ceramic sensing diaphragm pressure transducer provides an amplified analogue output signal corresponding to ranges from 0…0.5 bar (7.25 psi) up to 600 bar ( 8700 psi).
DMP 336 Hydrogen (H2) Gas Compatible Pressure Transmitter
All stainless steel 316L welded wetted parts pressure transmitter for measuring hydrogen gas
DPT200 High One Side Overload Differential Pressure Sensor
DP transmitter for measuring pressure difference between two pressure points which can tolerate up a very high overload pressure independently on either the positive or negative side port or both together at the same time.
Steam Pressure Transmitters
Current output transmitters for use in applications for measuring pressure of high temperature steam such as sterilizing autoclaves, food processing and power generation.
SPT4200 Silicon-on-Sapphire Titanium Pressure Sensor
The SPT4200 pressure sensor has been developed using Silicon-on-Sapphire (SOS) piezoresistive silicon strain gauge circuit housed in a robust stainless steel housing.
Helium leak tested & cleaned, all welded construction 100 psig pressure sensor
This pressure sensor can be used in applications where it is necessary to ensure leaks are kept to an extremely low level and no contaminants are introduced when adding test instrumentation.
Pressure Transducer 0.5-4.5V Voltage Output Calculator
This pressure transducer 0.5 to 4.5 volts amplified output calculator provides a way to determine the output reading from the applied pressure and pressure transducer range.
Pressure Transducer 1-5V Voltage Output Calculator
This pressure transducer 1 to 5 volts amplified output calculator provides a way to determine the output reading from the applied pressure and pressure transducer range.
Pressure Transducer 0-5V Voltage Output Calculator
This pressure transducer 0 to 5 volts amplified output calculator provides a way to determine the output reading from the applied pressure and pressure transducer range.
Pressure Transducer 0-10V Voltage Output Calculator
This pressure transducer 0 to 10 volts amplified output calculator provides a way to determine the output reading from the applied pressure and pressure transducer range.
Minus 30 inHg 4-20mA air pressure sensor for measuring vacuum in a sealed tank heated to 350F
A hi-temp media 200°C/392°F max gauge pressure sensor for measuring vacuum in a sealed tank heated to 350 degrees F over a range of 0 to -30 inHg g from the G1/2 male process connection, and sending the corresponding 4-20mA signal through the field housing electrical connection.
Engine test cell fuel filter 2.5 bar differential pressure sensor with ATEX approval
Sensor to measure differential pressure across fuel filters in an engine test cell on diesel and kerosene.
Zero & Span calibration adjustable signal output pressure transducers
Pressure transducers that have an adjustable zero and span so that the output siganl can be adjusted if they go slightly out of calibration
Bulk powders silo fluidisation blower aeration ATEX approved HART pressure transmitter
We are looking for a HART compatible ATEX dust approved pressure transmitter for measuring the outlet pressure on blowers used for silo fluidisation when discharging bulk powder.
LMK 487 Submersible Ballast Tank and Draught Level Pressure Transmitter
A 22mm diameter titanium body seawater depth and level probe with a 4-20mA output with Lloyds and DNV-GL ship approval, for monitoring the quantity of ballast or the draft of a ship’s hull.
Truck Air Brake CANopen Pressure Sensor to Communicate with Transmission Electronic Controls
We want a pressure sensor to fit to an air brake circuit of a truck which operates up to 8 bar. The pressure sensor will need to have a SAE J1939 vehicle bus interface in order to communicate with the transmission electronic control unit.
NPSH 4-22 psia 4-20mA filtration pump suction port pressure sensor for water treatment
An absolute pressure sensor for water treatment pump chamber use to measure filtration pump NPSH pressure of freshwater over a range of 4 to 22 psi abs from the G1/4 male process connection, and sending the corresponding 4-20mA signal through the submersible cable electrical connection.
Cold isostatic press 5000 barg 0-10Vdc output high range freshwater pressure transducer
A high range pressure transducer for cold isostatic pressing use to measure pressure of freshwater over a range of 0 to 5,000 bar g from the 9/16 UNF female (AE HP type) process connection, and sending the corresponding 0-10Vdc signal through the DIN plug electrical connection.
70,000 psi usb pressure sensor for calibration use with hydraulic screw press and PC computer
An ultra high range digital pressure sensor for calibration use to measure pressure of hydraulic oil over a range of 0 to 70,000 psi g from the Autoclave F-250-C female process connection, and sending the corresponding pressure reading through USB interface to the PC monitoring and logging software.
Ground water flooded pit 40mH2O 4-20mA output freshwater pressure sensor for water treatment use
A ground water flooded pit gauge pressure sensor for water treatment use to measure pressure of freshwater over a range of 0 to 40 mH2O g from the G1/4 male process connection, and sending the corresponding 4-20mA signal through the submersible cable electrical connection.
Portable data acquisition trolley +/-20 kPa dp RS485 Modbus RTU interface air pressure sensor and display package
A digital display, pressure sensor and digital interface module package for use on portable data acquisition trolleys to measure pressure of air over a range of -20 to 20 kPa diff from two 6.6mm dia x 11mm barbed hose connections, and sending the corresponding reading via a RS485 Modbus RTU interface through the terminal block connector electrical connections.
Landfill Site Intrinsically Safe Pressure Transmitters
Intrinsically safe certified for use in hazardous areas. 4-20mA current loop output pressure transmitters for use on landfill sites where an area of land that is used to bury waste material.
Landfill Site Pressure Transmitters
4-20mA current loop output pressure transmitters for use on landfill sites where an area of land that is used to bury waste material.
Pass/Fail timed 500 kPa pressure leak test software and sensor
Pressure sensor that can be easily interfaced with a computer to log results for a PASS/FAIL pressure leak test to 500 kPa and monitored for a pressure drop over a 5-10 minute time period
3000 psi leak test datalogging pressure sensor for certifying natural gas flow orifice fittings
Sensor to to perform a 2-hour leak test at 3,000psi as part of the certification process for orifice fittings which are used to measure the flow of natural gas in pipe lines.
RF transmission line 20 psi absolute 0-4.5Vdc output air pressure sensor
An absolute pressure sensor for compressed air use to measure pressure of RF transmission line over a range of 0 to 20 psi abs from the G1/4 male process connection, and sending the corresponding 0-4.5Vdc signal through the DIN plug electrical connection.
Hydroelectric penstock 10 barg USB interface computer data-logging pressure sensor
A computer data logging pressure sensor for hydroelectric penstock use to measure fluctuating pressures of freshwater over a range of 0 to 10 bar g from the G1/4 male process connection, and sending the corresponding reading through the USB interface via the weatherproof cable electrical connection.
Natural gas booster pump inlet/outlet pressure transmitters for backup power generators
Low range pressure sensors for monitoring inlet and outlet pressure of a natural gas booster pump used to raise the pressure feeding into a demand regulator which provides fixed supply pressure to fuel the back-up power generator.
Nip roller 100 psi g 0-10Vdc output air pressure sensor for pressing laminated materials
A gauge pressure sensor for process control use to measure pressure of air on nip rollers over a range of 0 to 100 psi g from the 1/4 NPT male process connection, and sending the corresponding 0-10Vdc signal through the weatherproof cable electrical connection.
Ferry hull draft monitoring 3 bar absolute 4-20mA output seawater pressure sensor
An absolute pressure sensor for ship use to measure seawater depth on a ferry hull draft monitoring system over a range of 0 to 3 bar abs from the G1 1/2" process connection, and sending the corresponding 4-20mA signal through the waterproof cable electrical connection.
Oil field equipment testing 20,000 psi g 4-20mA out freshwater pressure sensor
An intrinsically safe ultra high range pressure sensor for oil field equipment testing use to measure pressure of freshwater over a range of 0 to 20,000 psi abs from the 1⁄4 HP Tube Fitting process connection, and sending the corresponding 4-20mA signal through the 6 pin bendix electrical connection.
TPSE All-In-One Temperature Probe and Pressure Transmitter
Combined temperature probe and pressure sensor for mounting on a single pressure port to measure over a temperature range of -50 to +200C (-58 to +392F), and pressure ranges from 0…4 bar g up to 0…600 bar g.
SMC DIISO 11898 / ISO J1939 Protocol CANopen Pressure Sensor
CANopen DIISO 11898 and ISO J1939 protocol digital interface pressure sensor for measuring pressures over a range of 0…0.2 bar up to 0…5000 bar.
Vacuum insulation 15 psi absolute range millivolt output pressure sensor for air extraction use
An absolute pressure sensor for vacuum insulation air extraction use to measure vacuum pressure of air over a range of 0 to 15 psi abs from the G1/4 male process connection, and sending the corresponding mV/V signal through the submersible cable electrical connection.
17.620 G Low Cost Heavy Duty Compact OEM Hydraulic Pressure Sensor
Compact robust all welded stainless steel pressure sensor for heavy duty hydraulic system applications.
Food processing freshwater transfer pump 4 barg 4-20mA pressure sensor
A hygienic stainless steel flush diaphragm gauge pressure sensor for food processing pump transfer system to measure pressure of freshwater over a range of 0 to 4 bar g from the tri-clamp process connection, and sending the corresponding 4-20mA signal through the M12 connector electrical connection.
Natural gas buffer tank 5 barg 4-20mA output natural gas pressure transmitter
An intrinsically safe gauge pressure transmitter for natural gas buffer tank use to measure pressure of natural gas over a range of 0 to 5 bar g from the G1/4 male process connection, and sending the corresponding 4-20mA signal through the DIN plug electrical connection.
1000 barg hydraulic spike pressure sensor for testing robotic automation
A high range fast response digital pressure sensor for industrial robotic automation testing use to measure pressure of hydraulic pressure spikes over a range of 0 to 1,000 bar g from the G1/4 male process connection, and sending the corresponding USB signal through the USB mini B connector electrical connection.
16 barg fast reacting USB pressure sensor for pressure relief device testing on Nitrogen gas
A USB interface digital pressure sensor for fast reacting pressure relief device testing use to measure pressure of nitrogen gas over a range of 0 to 16 bar g from the G1/4 male process connection, and sending the corresponding signal through the USB mini B cable electrical connection.
High Speed Pressure Sensors
High speed measurement reading response pressure sensing devices.
High Speed USB Pressure Sensors
High speed measurement reading response, Universal Serial Bus (USB) interface computer connection pressure sensing devices.
Low Range Pressure Sensors
Low range pressure measurement sensing devices. Analog & digital output pressure sensors for measuring low range pressures.
Low Range USB Pressure Sensors
Low range pressure measurement Universal Serial Bus (USB) interface computer connection pressure sensing devices.
Pressure Sensors
Pressure sensing devices
USB Pressure Sensors
Universal Serial Bus (USB) interface computer connection pressure sensing devices
High Range Pressure Sensors
High range pressure measurement sensing devices. Analogue & digital output pressure sensors for measuring high range pressures of liquids or gases.
High Range USB Pressure Sensors
High range pressure measurement Universal Serial Bus (USB) interface computer connection pressure sensing devices
5 barg range wireless pressure sensing kit for district heating monitoring use
Wireless pressure measurement kit for district heating monitoring use with a 5barg range plus a 1/4 BSP male fitting. Each pressure reading is transmitted wirelessly to a five channel base receiver, where it is converted to a 1-5Vdc or 4-20mA analogue output signal.
75psig range wireless pressure sensing kit for pneumatic monitoring and testing use
Wireless pressure measurement kit for pneumatic monitoring and testing use with a 75psig range plus a 1/4 NPT male fitting. Each pressure reading is transmitted wirelessly to a single channel base receiver, where it is converted to a 1-5Vdc or 4-20mA analogue output signal.
750psig range wireless pressure sensing kit for leak testing use
Wireless pressure measurement kit for leak testing use with a 750psig range plus a 1/4 NPT male fitting. Each pressure reading is transmitted wirelessly to a single channel base receiver, where it is converted to a 1-5Vdc or 4-20mA analogue output signal.
DP Flow Transmitter Output Calculator
This differential pressure flow transmitter square root extraction 4 to 20 milliamp current output calculator provides a way to determine the flow output reading from the pressure drop measured across an orifice plate and the differential pressure transmitter range.
Pressure Transducer Millivolt (mV) Output Calculator
This pressure transducer millivolt output calculator provides a way to determine the output reading and range from the applied pressure, pressure transducer range and strain gauge output characteristics.
UPS-HSR USB Pressure Sensor with High Sample Rate Logging
USB ready digital pressure sensor for recording pressures with a high speed sample rate of up to 1 kHz to a computer.
85 psig range RS485 serial interface pressure sensor for heavy truck airbag suspension use
A high accuracy RS485 serial interface pressure sensor for compressed air use to measure heavy truck airbag suspension pressure over a range of 0 to 85 psi g from the 1/4 BSP P male process connection, and sending the corresponding RS485 signal through the weatherproof cable electrical connection.
400barg range wireless pressure sensing kit for use on rotating hydraulic clamping tools
Wireless pressure measurement kit for use on rotating hydraulic clamping tool with a 400barg range plus a 1/4 BSP male fitting. Each pressure reading is transmitted wirelessly to a single channel base receiver, where it is converted to a 1-5Vdc or 4-20mA analogue output signal.
30psig range wireless pressure sensing kit for production monitoring use
Wireless pressure measurement kit for production monitoring use with a 30psig range plus a 1/4 NPT male fitting. Each pressure reading is transmitted wirelessly to a five channel base receiver, where it is converted to a 1-5Vdc or 4-20mA analogue output signal.