This differential pressure transmitter in a control panel housing is suitable for use as a 2- or 3-point controller thanks to its two integrated limit contacts. These permit the realisation, e.g. of ventilation controls, at low cost and without the need for additional electronics. Both the threshold values and the hysteresis for the controller are easy to set via the front keyboard. The display provides readings of measurement values directly on-site in Pa, kPa, inchH2O or mmH2O as well as information about the output states of the limit contacts. An adjustable time constant (up to 10 s) allows the instrument to generate an attenuated output signal, even under fluctuating pressure conditions. Cyclical self-calibration of the zero point ensures a high level of measurement accuracy. The instrument is available with an ISO factory calibration or DAkkS calibration certificate (optional).
Germany
The pressure transmitter DMK 351 has been specially designed for applications in plant and machine engineering as well as laboratory techniques and is suitable for measuring small system pressure and filling heights. By using our own-developed capacitive sensor, optionally available as AI2O3 99.9%, the DMK 351 offers a high overpressure resistance and a high temperature and media resistance. The pressure transmitter is available in an intrinsically safe version for a use in explosive environments. Features: — nominal pressure: 0 ... 40 mbar up to 0 ... 20 bar — accuracy: 0.35 % (opt. 0.25 %) FSO — high media resistance Optional Features: — IS-Version (temperature class T4) Ex ia = intrinsically safe for gases and dusts — IS-version (temperature class T6) — diaphragm (99.9 % AI2O3) — customer specific versions
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The sensor model 8228 with its measuring accuracy of 0.05% F.S. (for the measuring ranges ≤ 1 bar, the measuring accuracy is 0.1% F.S.) ideally suited as a reference sensor. The compact dimensions, the robust housing and the industrial-grade output signal result in a very wide range of applications. All components in contact with media are made of stainless steel. An integrated measuring amplifier converts the measuring signals directly into interference-free voltage signals or current signals that can be transmitted over long distances. With the „gage“ measurement type, the pressure measurement is carried out against the ambient pressure, the sensor has a bore that is protected against ambient influences to compensate for the ambient pressure. With the „Absolute“ measurement type, the applied pressure is measured against an enclosed vacuum; this measurement type is available from the measuring range 0 ... 250 mbar. The electrical connection is made via an M12 x 1 connector.
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The differential pressure transmitters of the PD-39X series measure the pressure difference indirectly using two absolute pressure sensors. The dual-sensor design with numerical differential formation also outputs the line pressure values via the digital RS485 interface and guarantees a high overload resistance. The additional analog current or voltage output is primarily used to output the differential pressure range, which is freely rangeable within the line pressure range.
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The preeflow flowplus16 is a material-resistant, dead space-free miniature pressure sensor in the smallest design - for moving fluids. The "Luer-Lock" (male/female) on both sides makes it suitable for all common dosing systems that work with this type of thread. The sensor generates a standardized, compatible, linearized and temperature-compensated output signal. Existing dosing systems can be easily extended and protected with the pressure sensor. The flowscreen is a robust evaluation device for applications in various fields of application. In combination with the pressure sensor flowplus16, a complete system for fluid process monitoring is created. Thanks to standardized signals and standardized connections, the components can also be integrated as individual components. Your advantages: - Inline sensor - A pure flow sensor - Maintenance-free - Supply/voltage supply 24 V +- 10% - Mechanical Luerlock connection to DIN EN 1707
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