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Application Notes
Creating a Seal to a TR Series Pressure Sensor Using an O-Ring
This application note explains how to establish a good face or radial seal to the TR Series pressure sensor using an O-ring.
Using the LP Series Pressure Sensor for Differential or Gauge Pressure
This application note explains how to use the LP Series pressure sensor to measure either differential or gauge (also spelled gage) pressure.
Pressure Sensor Bridge Configurations
Advantages and disadvantages of different pressure sensor bridge configurations and an explanation of when to use each one.
Handling and Mounting of Pressure Die
An overview of the best methods for handing, storing and mounting Merit Sensor’s bare die pressure sensors.
Reflow Soldering using Automated Equipment
An explanation of soldering methods using automated equipment intended to assist end users with soldering Merit Sensor parts using either Pb-free solder or Pb-free containing solder.
Discontinued Products
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FAQ
What types of pressure sensors does Merit Sensor offer? Show Answer
Merit Sensor sells MEMS Piezoresistive Pressure Sensors.
What is a Piezoresistive MEMS pressure sensor and how does it work? Show Answer
Piezoresistive literally means electromechanical. Pressure exerted on the sensor causes a mechanical deflection of the silicon diaphragm. In turn, this mechanical deflection (essentially the deformation of the crystal lattice structure of silicon) causes a change to the electrical properties or output of the implanted resistors.
What are the various pressure types? Show Answer
Gage: pressure relative to atmospheric or ambient pressure
Absolute: pressure relative to a perfect vacuum or sealed reference — zero pressure
Differential: pressure exerted on both side of the diaphragm — the difference between two pressures
Vacuum: negative pressure or pressure applied in reverse
Merit Sensor is a subsidiary of Merit Medical Systems
