The DE27 is a multi-functional differential pressure transmitter. It is suitable for measuring overpressure, under-pressure and differential pressure in dry and neutral gaseous media. Important characteristics are robust, resistant to overpressure and maintenance-free, signal output with the option of spreading and inverting the characteristic, curve with any offset witghin the measuring range, all parameters and measuring point protocols are configured with a transmitter PC Interface EU03. Typical applications are monitoring of automatic roll filters, extraction systems etc., draft measurement in chimneys, flow and control pressure measurements. The basis of this transmitter is a piezo-resistive sensor element. The pressures to be measured directly act on a silicon diaphragm equipped with piezo-resistive resistors. Changes in pressure generate proportional changes in resistance, which is evaluated by the device's electronics and transformed into signals on the optional display, and converted into an output signal. The output signal, which is optionally available as a current or voltage signal can be dampened, spread and inverted. Configuration is realised via a Transmitter PC Interface (EU03) that is available as an accessory.
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