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Potentiometric Pressure Sensor

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  • Detect pressures between 5 and 10,000 psig (35 KPa to 70 MPa).
  • Accuracy is between 0.5% and 1% of full scale,
  • Not including drift and the effects of temperature.
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Potentiometric Pressure Transducers Introduction

Potentiometric Pressure Transducers The potentiometric pressure sensor provides a simple method for obtaining an electronic output from a mechanical pressure gauge. The device consists of a precision potentiometer, whose wiper arm is mechanically linked to a Bourdon or bellows element.

Potentiometric Pressure Transducers Feature



Advantages of Potentiometric Transducer:


They are economical

1. Easy to operate

2. Ability to large amplitudes of displacement

3. High efficiency

4. Large Output


Disadvantages:


I. Sufficient force is required to slide the wiper

2. Noise will be produced due to wear out




Potentiometric Pressure Transducers Specification 


The potentiometric pressure sensor provides a simple method for obtaining an electronic output from a mechanical pressure gauge. The device consists of a precision potentiometer, whose wiper arm is mechanically linked to a Bourdon or bellows element. The movement of the wiper arm across the potentiometer converts the mechanically detected sensor deflection into a resistance measurement, using a Wheatstone bridge circuit.


The mechanical nature of the linkages connecting the wiper arm to the Bourdon tube, bellows, or diaphragm element introduces unavoidable errors into this type of measurement. Temperature effects cause additional errors because of the differences in thermal expansion coefficients of the metallic components of the system. Errors also will develop due to mechanical wear of the components and of the contacts.

Potentiometric transducers can be made extremely small and installed in very tight quarters, such as inside the housing of a 4.5-in. dial pressure gauge. They also provide a strong output that can be read without additional amplification. This permits them to be used in low power applications. They are also inexpensive. Potentiometric transducers can detect pressures between 5 and 10,000 psig (35 KPa to 70 MPa). Their accuracy is between 0.5% and 1% of full scale, not including drift and the effects of temperature.


-Manuals

Potentiometric Pressure Transducers

-Data sheet


Potentiometric Pressure Transducers Application


Applications of Potentiometer. It is used in many applications such as. Linear displacement measurement. Liquid level measurements using floats. Rotary displacement measurement. Brightness control. Volume control.
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