Product category:
Pressure measurement systems
News Release from: SensorsOne | Subject: Gefran TPS and TPSA
Edited by the Processingtalk Editorial
Team on 12 July 2006
Pressure sensors for compressing solid
materials
The Gefran TPS and TPSA precision pressure sensors are ideally suited to high pressure material testing applications such as concrete or soil compression testing
The Gefran TPS and TPSA precision pressure sensors are ideally suited to high pressure material testing applications such as concrete or soil compression testing Typically hydraulic methods are used to apply force or weight loading on a sample of material such as concrete or soil
This article was originally published on Processingtalk on 24 May 2006 at 8.00am (UK)
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This can inevitably lead to high level pressure spikes as samples weaken suddenly in reaction to the stresses being applied and the pressure sensor employed has to be able to tolerate this over many cycles without degradation of performance.
Both the TPS and TPSA incorporate the same robust pressure sensor technology which includes a relatively thick 17-4ph stainless steel sensing diaphragm which is machined out of one piece of metal and high precision foil strain gauges which are precisely bonded to the diaphragm to form a four arm Wheatstone bridge circuit.
The sensing element is mechanically designed in such a way as to isolate it from mechanical stresses induced from tightening the pressure sensor during installation.
The pressure ranges which run between 10 and 1000 bar can be over pressured by 2x without compromising specification tolerances.
The TPS precision pressure transducer has a mV signal output to provide a high dynamic signal response with passive circuitry.
The TPSA is available as an amplified voltage pressure transducer or a pressure transmitter providing a high level 5V, 10V or 4-20mA signal output with an enhanced accuracy of 0.1% full scale accuracy.
A wide choice of pressure connections and electrical connections are available which make it possible to specify preferences for most installations.
The combination of robust sensing diaphragm, high overpressure, and high pressure ranges make the Gefran TPS and TPSA pressure sensors the ideal choice for material compression applications.
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