Rosemount 2051L Liquid Level Transmitter

Rosemount 2051L Liquid Level Transmitter

Rosemount 2051L Liquid Level Transmitter

For the Rosemount 2051, pressure is applied to the isolating diaphragm(s). The oil deflects the
sensor which then changes its capacitance or voltage signal. This signal is then changed to a
digital signal by the Signal Processing. 

Rosemount 2051L Liquid Level Transmitter

The microprocessor then takes the signals from the
Signal Processing and calculates the correct output of the transmitter. This signal is then sent to
the D/A converter, which converts the signal back to the analog signal, then superimposes the
HART signal on the 4-20 mA output.

Rosemount 2051L Liquid Level Transmitter

An optional LCD can be ordered that connects directly to the interface board which maintains
direct access to the signal terminals. The display indicates output and abbreviated diagnostic
messages. A glass display cover is provided. For 4-20 mA HART output, the LCD Display features
a two-line display. The first line displays the actual measured value, the second line of six
characters displays the engineering units. The LCD can also display diagnostic messages. 

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Rosemount 2051L Liquid Level Transmitter