Merit Sensor

Merit Sensor

High Yield Piezoresitive Pressure Sensor Solutions

  • Through-hole and PCB mountable packages
  • Sensors for aerospace, automotive, industrial and medical industries
  • Die / chips, uncompensated and compensated packages available
  • Customisations available including sensitivity, bridge configurations, pressure ranges and packages

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Merit Sensor 3000 Series

The 3000 series of MEMS pressure sensing elements from Merit SensorTM  is ideal for low pressure OEM applications, offering available pressure ranges of between 5psi and 100psi. The sensors utilise a piezoresistive Wheatstone bridge in a design that anodically bonds glass to a chemically etched silicon diaphragm. This pressure sensor series offers an operating temperature of −40°C to +150°C and a full scale output range from 75mV to 150mV (depending on the pressure range). The 3000 series from Merit SensorTM products incorporate a proprietary Sentium® technology, developed to provide a best-in-class operating temperature range and superior stability.

  • MEMS pressure sensing elements
  • Pressure ranges available 5psi, 15psi, 30psi, 50psi and 100psi
  • Absolute and gauge options available
  • Operating temperature −40°C to +150°C
  • Typical full scale output (at 5V excitation) 75mV at 5psi, 125mV at 100psi, 150mV at 15psi, 30psi and 100psi
  • Impedance of 5kΩ (typical) or 3.5kΩ (optional)
  • Suitable for clean, dry air and non-corrosive gases media
  • Available via wafers on tape or waffle pack
  • Bridge options of open, half open and closed

Typical applications for the Merit SensorTM 3000 series include:

  • Industrial
  • Calibration devices
  • Pressure meters
  • Please see below the specifications for the Merit SensorTM 3000 series:

    Merit Sensor<sup>TM</sup> 3000 series Specifications

£0.00

Merit Sensor AP Series

The AP series pressure sensor from Merit SensorTM is calibrated at room temperature using laser trimmed resistors. This pressure sensor series offers a pressure range from -15psi to 300psi with an operating temperature range of +10°C to +40°C and an accuracy of ±2% FSO. The AP series from Merit SensorTM utilises a piezoresistive Wheatstone bridge with a chemically etched silicon diaphragm and is suitable for high volume and low to medium-pressure applications.

  • Room temperature calibrated pressure sensor
  • Pressure range from -15 psi up to 300 psi (also available in higher pressures)
  • Burst pressure rating of 3x (full scale pressure)
  • Pressure type of gauge
  • Operating temperature range +10°C to +40°C
  • Accuracy of ±2 %FSO
  • Suitable for air, liquid and gas media compatibility
  • Custom options available

Typical applications for the Merit SensorTM AP series include:

  • Medical

Please see below the specifications for the Merit SensorTM TR series:

Merit Sensor<sup>TM</sup> AP series Specifications

* The combined effect of Sensitivity, Repeatability, Nonlinearity, and Hysteresis errors over the temperature range of 25°C to 15°C, and 25°C to 40°C, expressed as a percent of Full Scale pressure (%FS).

£0.00

Merit Sensor BP Series

The BP blood pressure sensor series from Merit SensorTM is ideal for low cost, high-volume, disposable medical applications including blood pressure monitoring. This blood pressure series offers a pressure range of -30mmHg to +300mmHg with an operating temperature range of 15°C to +40°C, and an accuracy of ±1% of the reading (-30mmHg to +50mmHg). The BP series from Merit SensorTM is temperature compensated, dielectric gel protected and can easily be installed into a customer’s pressure device housing  and utilises a piezoresistive Wheatstone bridge with a chemically etched silicon diaphragm.

  • Blood pressure sensor
  • Pressure range from -30 mmHg up to +300 mmHg
  • Excellent burst pressure
  • Operating temperature of +15°C to +40°C
  • Accuracy of ±1% of reading (-30 to +50 mmHg) and ±3% of reading (+50 to +3000 mmHg)
  • Compliant with AAMI BP22 specifications
  • Dielectric gel barrier
  • Fully tested
  • Solid state piezoresistive sensor
  • Suitable for air, gases and liquids

Typical applications for the Merit SensorTM BP series include:

  • Disposable blood pressure measurement
  • Kidney dialysis machines
  • Infusion pumps
  • Surgical procedures

Please see below the specifications for the Merit BP series:

Merit PB series Specifications

1. Assumes 6 VDC, 22°C and after five second warm-up unless otherwise specified.
2. Output of sensor with no pressure applied and a150 KΩ resistor shorted across + IN to + OUT.
3. Over a temperature range of 15°C to 40°C
4. Normalised offset/bridge voltage – 8 hours after 20 second warm-up
5. Combined effect of sensitivity, repeatability, non-linearity and hysteresis errors
6. Sterilisation performed by customer.

£0.00

Merit Sensor LP1400 Series

The LP1400 uncompensated surface mountable pressure sensor series from Merit SensorTM suitable for ultra low pressure sensing applications. This pressure sensor series offers a low pressure range from 0.15psi to 1psi and a medium pressure range from 5psi to 30psi. The LP1400 series from Merit SensorTM is designed for clean, dry air and non corrosive gases, with an operating temperature range of −40°C to +85°C and an impedance of 5kΩ. Merit SensorTM products incorporate a proprietary Sentium® technology developed to provide a best-in-class operating temperature range and superior stability.

  • Uncompensated surface mountable pressure sensor
  • Pressure ranges available 0.15psi, 0.3psi, 1psi, 5psi, 15psi and 30psi
  • Pressure type options available differential (0.15psi to 5psi) or absolute (15psi and 30psi only)
  • Operating temperature −40°C to +85°C
  • Full scale output (at 5V) 37.5mV at 0.15psi, 45mV at 0.3psi, 50mV at 1psi, 133mV at 5psi, 150mV at 15psi and 160mV at 30psi
  • Pressure hysteresis ±0.1%FSO at +25°C
  • Excitation(In) of 5V (typical) 3mA maximum
  • Suitable for clean, dry air and non corrosive gases

Typical applications for the Merit SensorTM LP1400 series include:

  • Industrial
    • HVAC systems and control units
    • Sensors and transmitters
  • Medical
    • CPAP
    • Spirometers
    • Ventilators
    • Nebulizers

Please see below the specifications for the Merit LP1400 series:

Merit LP1400 series Specifications

£0.00

Merit Sensor LP1410 Series

The LP1410 compensated analog output surface mountable pressure sensor series from Merit SensorTM suitable for ultra low pressure sensing applications. This pressure sensor series offers a low pressure range from 0.15psi to 1psi with an accuracy of ±1.5%FS and is designed for clean, dry air and non corrosive gases. The LP1410 series Merit SensorTM operating temperature range of −40°C to +85°C and their products incorporate a proprietary Sentium® technology developed to provide a best-in-class operating temperature range and superior stability.

  • Analog compensated surface mountable pressure sensor
  • Pressure ranges available 0.15psi, 0.3psi and 1psi 
  • Differential or gauge options available
  • Operating temperature −40°C to +85°C
  • Accuracy of ±1.5%FS
  • Amplified analog output of 0.5V to 4.5V
  • Supply voltage of 5V (typical)
  • Supply current of 2mA (typical)
  • Suitable for clean, dry air and non corrosive gases

Typical applications for the Merit SensorTM LP1410 series include:

  • Industrial
    • HVAC systems and control units
    • Sensors and transmitters
  • Medical
    • CPAP
    • Spirometers
    • Ventilators
    • Nebulizers

Please see below the specifications for the Merit LP1410 series:

Merit LP1410 series Specifications

£0.00

Merit Sensor LP1420 Series

The LP1420 is a compensated digital output surface mountable pressure sensor series from Merit SensorTM suitable for ultra low pressure sensing applications. This pressure sensor series offers a low pressure range from 0.15psi to 1psi and is designed for clean, dry air and non corrosive gases, with an operating temperature range of −40°C to +85°C and a pressure accuracy of ±1.5%FS. The LP1420 series Merit SensorTM products incorporate a proprietary Sentium® technology developed to provide a best-in-class operating temperature range and superior stability.

  • Compensated digital output surface mountable pressure sensor
  • Pressure ranges available 0.15psi, 0.3psi and 1psi 
  • Differential or gauge options available
  • Operating temperature −40°C to +85°C
  • Accuracy of ±1.5%FS
  • Digital I2C output
  • Supply voltage of 5V (typical)
  • Clock speed 1MHz
  • Update Rate of 5ms
  • Suitable for clean, dry air and non corrosive gases

Typical applications for the Merit SensorTM LP1420 series include:

  • Industrial
    • HVAC systems and control units
    • Sensors and transmitters
  • Medical
    • CPAP
    • Spirometers
    • Ventilators
    • Nebulizers

Please see below the specifications for the Merit LP1420 series:

Merit LP1420 series Specifications

£0.00

Merit Sensor MS Series

The MS surface mountable low to medium pressure sensor series from Merit SensorTM is a surface-mountable pressure monitoring device suitable for low to medium pressure applications. This pressure sensor series offers a pressure range from 15psi to 500psi with an operating temperature of −40°C to +85°C and a full scale output range from 75mV to 175mv (depending on the pressure range). The MS series from Merit SensorTM products incorporate a proprietary Sentium® technology, developed to provide a best-in-class operating temperature range of -40°C to 85°C, superior stability and is a leader in piezoresistive pressure sensing and partners with clients to create high performing solutions for a variety of applications and industries.

  • Surface mountable low to medium pressure sensor
  • Pressure ranges available 15psi, 50psi, 100psi, 300psi and 500psi
  • Absolute and gauge options available
  • Operating temperature −40°C to +85°C
  • Typical full scale output (at 5V excitation) 75mV at 15psi, 125mV at 50psi, 150 mV at 100psi and 300psi, 175mV at 500psi
  • Impedance of 5kΩ (typical) or  3.5kΩ (optional)
  • Suitable for clean, dry air and non-corrosive gases media
  • Package designs include with or without gel cover, ceramic cap or round ceramic chimney

Typical applications for the Merit SensorTM MS series include:

  • Industrial
  • Calibration devices
  • Pressure meters
  • Please see below the specifications for the Merit SensorTM MS series:

    Merit Sensor<sup>TM</sup> MS series Specifications

£0.00

Merit Sensor PMD Series

The PMD through-hole low to medium pressure monitoring sensor series from Merit SensorTM offers a pressure range from 5psi to 50psi with an operating temperature of −40°C to +85°C and a full scale output range from 133mV to 160mv (depending on the pressure range). The PMD series from Merit SensorTM products incorporate a proprietary Sentium® technology, developed to provide a best-in-class operating temperature range, superior stability and is a leader in piezoresistive pressure sensing and partners with clients to create high performing solutions for a variety of applications and industries.

  • Through-hole low to medium pressure monitoring sensor
  • Pressure ranges available 5psi, 15psi, 30psi and 50psi
  • Absolute and gauge options available
  • Operating temperature −40°C to +85°C
  • Typical full scale output (at 5V excitation) 133mV at 5psi, 150mV at 15psi, 160mV at 30psi, 133mV at 50psi
  • Impedance of 5kΩ (typical)
  • Suitable for clean, dry air and non-corrosive gases

Typical applications for the Merit SensorTM SMD series include:

  • Industrial
  • Calibration devices
  • Pressure meters
  • Please see below the specifications for the Merit SensorTM PMD series:

    Merit Sensor<sup>TM</sup> PMD series Specifications

£0.00

Merit Sensor RPD Series

The RPD uncompensated packaged pressure sensor series from Merit SensorTM is designed for applications which require a wide range of pressures to the backside of the sensing element. This pressure sensor series offers a pressure range from 0psi to 500psi with an operating temperature range of −40°C to +85°C and a typical average full scale output of 150 mV. The RPD series from Merit SensorTM is a flexible platform with excellent media compatibility with its small, compact design is ideally suited for medical and industrial applications, utilising a piezoresistive Wheatstone bridge with a chemically etched silicon diaphragm.

  • Uncompensated packaged pressure sensor
  • Pressure ranges available from 0 psi up to 500 psi (closed bridge only)
  • Backside gauge pressure type avaialble
  • Compensated temperature −40°C to +85°C
  • Typical average full scale output of 150 mV
  • Impedance of 5kΩ (typical)
  • Port options available of gel tube/no gel, face seal or gel tube/gel (not available above 100psi)
  • Suitable for air, gases and liquids (to be determined on an application-by-application basis)
  • Excellent performance in both constant current and constant voltage applications
  • Simple pressure source attachment and electrical connection
  • Designed for a soldered connection to wires, ribbon cable,or flex strip

Typical applications for the Merit SensorTM RPD series include:

  • Medical inflation
  • Water pressure and flow management
  • Industrial process control

Please see below the specifications for the Merit SensorTM RPD series:

Merit Sensor<sup>TM</sup> RPD series Specifications

£0.00

Merit Sensor RS Series

The RS uncompensated packaged pressure sensor series from Merit SensorTM is designed for applications of a wide range of pressures to the backside of the sensing element. With a pressure range from 0psi to 500psi with a full scale output of 75mV to 175mV (at 5V excitation) and either a backside gauge or backside absolute pressure type. The RS series from Merit SensorTM is a flexible platform with excellent media compatibility and utilises a piezoresistive Wheatstone bridge with a chemically etched silicon diaphragm.

  • Uncompensated packaged pressure sensor
  • Pressure ranges available 15psi, 100psi and 500psi
  • Pressure type of backside absolute or backside gauge options available
  • Operating temperature −40°C to +85°C
  • Typical full scale output (at 5V excitation) 75mV at 15psi, 150mV at 100psi and 175mV at 500psi
  • Impedance of 5kΩ (typical)
  • Suitable for liquid, air and gases (to be determined on an application by application basis)
  • Excellent performance in both constant current and constant voltage applications
  • Simple pressure source attachment and electrical connection
  • Designed for a soldered connection to wires, ribbon cable, flex strip, or surface mount pcb

Typical applications for the Merit SensorTM RS series include:

  • Medical inflation
  • Water pressure and flow management
  • Industrial process control
  • Please see below the specifications for the Merit SensorTM RS series:

    Merit Sensor<sup>TM</sup> RS series Specifications

£0.00

Merit Sensor SMD Series

The SMD surface mountable low to medium pressure monitoring sensor series from Merit SensorTM offers a pressure range from 5psi to 500psi with an operating temperature of −40°C to +85°C and a full scale output range from 75mV to 175mvV(depending on the pressure range). The SMD series from Merit SensorTM products incorporate a proprietary Sentium® technology, developed to provide a best-in-class operating temperature range, superior stability and is a leader in piezoresistive pressure sensing and partners with clients to create high performing solutions for a variety of applications and industries.

  • Surface mountable low to medium pressure sensor
  • Pressure ranges available 5psi, 15psi, 30psi, 50psi, 100psi, 300psi and 500psi
  • Absolute and gauge options available
  • Operating temperature −40°C to +85°C
  • Typical full scale output at 5V excitation) 75mV at 5psi, 150mV at 15psi, 30psi, 100psi and 300psi, 175mV at 500psi
  • Impedance of 5kΩ (typical) or 3.5kΩ (optional)
  • Suitable for clean, dry air and non-corrosive gases
  • Package designs include with gel or without gel cover, square ceramic cap or round ceramic chimney

Typical applications for the Merit SensorTM SMD series include:

  • Industrial
  • Calibration devices
  • Pressure meters
  • Please see below the specifications for the Merit SensorTM SMD series:

    Merit Sensor<sup>TM</sup> SMD series Specifications

£0.00

Merit Sensor TR Series

The TR pcb mountable pressure transducer series from Merit SensorTM is a rugged, direct-media pressure monitoring solution designed for today’s toughest pressure sensing environments. This pressure transducer series offers a pressure range from 15psi to 500psi with a fully compensated amplified output. The TR series from Merit SensorTM is designed for air, liquid and gas harsh media compatibility, over a broad temperature range of −40°C to +150°C, with an accuracy of ±2.5%. The design includes a 4.7kΩ circuit protection pull-up resistor, operates on a single 5VDC supply, and no external components required for operation. The TR series combines Merit Sensor's Systems Sentium process harsh media MEMS piezoresistive die with state-of-the-art pressure sensor ASIC signal management.

  • PCB mountable, fully compensated pressure transducer
  • Pressure ranges available from 15 psi up to 500 psi
  • Absolute and gauge options available
  • Compensated temperature −40°C to +150°C
  • Accuracy of ±2.5%
  • Output current of 2.5 mA
  • 4.7kΩ Circuit protection pull-up resistor included
  • Operates on a single 5VDC supply
  • Suitable for air, liquid and gas with harsh media compatibility
  • No external components required for operation
  • Package designs include standard face seal, ferrule or pins and ferrule

Typical applications for the Merit SensorTM TR series include:

  • Industrial
    • HVAC system monitoring
    • Industrial automation
    • Process monitoring
    • Air-conditioning (refrigerant systems)
    • Portable measurement and analysis instrumentation
    • Water level and pressure monitoring
  • Automotive
    • Transmission fluid pressure
    • Fuel system pressure
    • Oil system pressure
    • EGR system pressure
    • DEF system
    • Manifold absolute pressure
    • Fuel Rail system pressure
  • Medical
    • Diagnostics and analysis equipment

Please see below the specifications for the Merit TR series:

Merit TR series Specifications

£0.00

Merit Sensor TVC Series

The TVC series is a fully compensated harsh media pressure sensor from Merit SensorTM designed to handle today's toughest pressure sensing environments. This pressure sensor series offers a pressure range from 15psi to 300psi, over a broad temperature range of −40°C to +150°C, with an accuracy of ±2.5%. The only requirement to operate the TVC series is a single 5VDC supply, and no external components required for operation. The unique pressure port isolates on board electronics, and the three wetted materials of silicon, glass and ceramic. The TVC series is able to withstand a variety of harsh media, such as fuel and are able to measure fuel vapour at low pressures or refrigerant gas at high pressure.

  • Fully compensated harsh media pressure sensor
  • Pressure ranges available from 15 psi up to 300 psi
  • Absolute and gauge options available
  • Operating temperature −40°C to +150°C
  • Accuracy of ±2.5%
  • Output current of 2.5 mA
  • Operates on a single 5VDC supply
  • Suitable for air, liquid and gas with harsh media compatibility
  • No external components required for operation

Typical applications for the Merit SensorTM TVC series include:

  • Industrial
    • HVAC system monitoring
    • Industrial automation
    • Refrigeration
    • Water level and pressure monitoring
  • Automotive
    • Transmission pressure
    • Fuel rail
    • Oil pressure
    • EGR systems
    • Exhaust gas
  • Medical
    • Diagnostics and analysis equipment

Please see below the specifications for the Merit SensorTM TR series:

Merit Sensor<sup>TM</sup> TVC series Specifications

£0.00