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Pressure Sensors

SILICON PIEZORESISTIVE PRESSURE SENSORS

Sensing Element

Packaged, unamplified silicon Piezoresistive bridge. Requires external amplification including sensor excitation, calibration and/or temperature compensation.

Type of pressure

Gauge

Differential

Absolute

Model

FPN

FGN-6

FPM

FHM

FGM-3

FGM-6

FDM

FPM

FAM

FPBS

FPS-5

Pressure Range (kPa)

�13.79, �34.47, �48.26, -100~+206.8

�13.79, �34.47, �48.26, -100~+103.4, -100~206.8, -100~+344.7, -100~+827.4

�13.79, �34.47, �48.26, �103.4, �206.8, �344.7, �482.6, �827.4

35~170.abs

40~900.abs

0~104.abs

Pressure Media

Gases

Gases and/or liquid

Gases

Gases and / or Liquid

Pre-amplified, Pre-calibrated and Pre-compensated Pressure Sensor

Packaged silicon Piezoresistive pressure sensors with on-chip amplification, calibration and compensation. To get a sinlge-ended voltage output, simply provide a 5VDC (or 3VDC) constant voltage power supply.

Excitation Voltage

5 Volt

Overall Accuracy

�5.0%FS

�1.5%FS, �2.5%FS

�1.0%FS*

Type of pressure

Gauge

Differential

Absolute

Absolute for MAP

Gauge of NIBP

Model

XFPN

XFGN-6

XFPM

XFHM

XFGM-3

XFGM-6

XFDM

XFPM

XFAM

XFPM

XFPM

Pressure range (kPa)

0~ -100, +25, +50, +100, +200

0~ -100, +25, +50, +100, +200, +1000

�100, 0~, +25, +50, +100, +200, +1000

15~115.abs

0~50

Pressure Media

Gases

Gases and / or Liquid

Gases

Gases and / or Liquid

Gases

* Excludes calibration errors (span and offset) and temperature errors of offset.

Excitation Voltage

3 Volt

Overall Accuracy

�2.5%FS

Type of Pressure

Gauge

Differential

Absolute

Model

X3PM

X3HM

X3GM-3

X3GM-6

X3DM

X3PM

X3AM

Pressure range (kPa)

0~ -100, +25, +50, +100, +200, +1000

�100, 0~, +25, +50, +100, +200, +1000

15~115.abs

Pressure Media

Gases and / or Liquid

Gases

Pressure Sensor Module

Piggyback style module using latest digital trimming techniques. To get a single ended voltage output, simply provide a 5VDC constant voltage power supply. Modification of pressure range is available (volume limits apply).

 

Low pressure range

Overall accuracy

�1.0%FS

�2.0~5.0%FS

Type of pressure

Gauge

Differential

Gauge

Differential

Model

PSM-G

PSM-D

PSM-G

PSM-D

Pressure Range (kPa)

�100, 0~+25, +50, +100, + 200

�1~�5

Pressure Media

Gases and / or Liquid

Gases

Gases and / or Liquid

Gases

Unit

Water level sensor for boiler applications. Fully packaged, signal conditioned and calibrated. To get a single-ended voltage output, simply provide a 5VDC (or 3VDC) constant voltage power supply.

Type of pressure

Gauge

Model

FPW

Pressure range (kPa)

-30~50

Pressure Media

Gases and / or Liquid

Custom Models

Custom specified models are available. Please consult us about the available specifications and the minimum volume.

Type of pressure

Gauge, Differential and Absolute

Model

FIP

Pressure range (kPa)

-100~1000

Pressure Media

Gases and / or Liquid

Willow Technologies Ltd. Unit 3 Borers Yard, Borers Arms Road, Copthorne, West Sussex, RH10 3LH, UK

Tel: +44 (0) 1342 717102, Fax: +44 (0) 1342 717014, Email: sales@willow.co.uk

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