Data Sheet-Miniature Differential Pressure Transmitter Model 8303


Catalog excerpts

Data Sheet-Miniature Differential Pressure Transmitter Model 8303 - 1

Miniature Differential Pressure Transmitter Model 8303 Application The pressure transmitter illustrated here measures differences in pressure between the two connections of the measuring element. Pressure differences can be measured with respect to a reference pressure, such as atmosphere, or to the command variable of a regulation system. Equally, however, it is possible to measure pressure differences within systems that have a high static pressure. One practical example of this would be measuring a flow rate by determining the pressure drop occurring across a metering diaphragm. The differential pressure transmitter measures in both directions and can therefore, for instance, be used on double-acting hydraulic cylinders. Its construction permits it to be used with liquid or gaseous media. Venting holes simplify installation. The robust design and the use of stainless steel make it possible to use the pressure transmitter under tough operating conditions. It is fitted with integrated electronics to make the pressure transmitter even easier to use. This delivers the usual current or voltage outputs familiar in measurement and control engineering. ■ Measuring ranges from 0 ... ± 50 mbar to 0 ... ± 10 bar ■ Measurement accuracy < 0.5 % ■ High line pressure ■ For liquid or gaseous media ■ Integrated measurement amplifier Description The differential pressure transmitter has a chamber on each pressure port. The chambers are separated by a diaphragm. Coils are located, and hermetically sealed, within the two halves of the sensor housing on both sides of the diaphragm. If there is a difference in the pressures on the two sides of the center element, the diaphragm is deflected from its rest position. As a result, the reluctance of the two coils, which are wired as differential inductances, changes. The integrated electronics converts the changed inductance ratio into the desired output signals, which are then available for further processing. Technical changes reserved. All data sheets at burster praezisionsmesstechnik gmbh & co kg Germany Talstr. 1-5 Gernsbach 76593 Phone +49-7224-6450

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Data Sheet-Miniature Differential Pressure Transmitter Model 8303 - 2

Technical Data Order Code E3 Refer to the table below for the output signal codes. Electrical values Excitation voltage: Current consumption: Internal carrier frequency: Range of amplification: Range of zero adjustment: Variation of output signal at load reversal: < 0.1 Variation of output signal at change of excitation voltage, between 12 V DC and 30 V DC: Rise time: Ripple of output voltage: 0.05 %eff F.S. Range of operating temperature: - 25 °C ... 85 °C Nominal temperature range: 0 °C ... 70 °C Influence of temperature on zero: < ± 0.05 % F.S./K Influence of temperature on sensitivity:...

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