Level transmitter is easy to commission
28 January 2011
Burkert’s Ultrasonic Level Transmitter Type 8175 provides continuous level measurement at distances of up to 10m. Integrating an ultrasonic sensor and a transducer with a large 8-digit multi-language display in a splash-proof IP65 or immersion-proof IP67 housing, the Type 8175 offers users a teach-In function for easy commissioning, and also delivers low total cost of ownership.
The 8175 is a non-contact filling level transmitter that can be used in both open and closed vessels. It is simple to use, with a menu-guided operation and 8-digit alphanumeric display. The integrated 'Teach-In' and 'Simulation' functions allow different tank shapes (cylindrical, cubic, spherical) to be easily programmed via fixed default shapes, or at complex tank shapes step-by-step. Importantly, the simulation functions allow the system to be tested under dry-run conditions, and the resulting measured value can be shown as a level, a distance (in cm, m, inch or feet), or direct, as a volume (litre, m3, Imp. gal or US gal).
Type 8175 level transmitters integrats a range of fail-safe features, including signal loss, power supply failure, and level or temperature alarms, which can be activated with an adjustable time delay. In addition, a range of filter functions control the return echoes and automatically eliminate all interference due to elements of the vessel.
The 8175 transmitter is powered with 18-32 Vdc (optionally 115/230 Vac) and features a three-wire 4-20mA output for direct control of a continuous control valve, interface to a PLC, or for monitoring. Two optional 3A relays can be also configured as alarms or latched for automatic fill or empty operations.
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