Anderson-Negele

NSL-M Potentiometric Level Transmitter

Accommodates top down, bottom up and side mount installations, measurement is temperature and pressure independent

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NSL M Potentiometric Level Transmitter 01542

Probe type process level transmitter is the compact, high temperature alternative to the LN. Accommodates Top down, bottom up and side mount installations. Measurement is temperature and pressure independent. Optional user interface MPI-200 allows field configurability of orientation, range, and signal output options.

The potentiometric measuring principle measures the change in the voltage ratio 
between the electrode rod of the sensor and the metallic wall of the filled tank.
An electric flow field arises in the medium due to the conductivity of the medium 
and its capacitive properties. This gives rise to a voltage ratio that is proportional 
to the immersed part of the rod.
 
Because only the ratio of the voltages is considered, the properties of the medium, 
in particular the electrical conductivity of 50 µS/cm and higher, do not enter into 
the measurement result. The sensor also provides information on the immersion 
situation of the electrode rod in the medium by means of a second, patent-pending 
measurement system.
This system analyzes electrical resonance properties to detect foam and suppress 
it in the results, and to reliably prevent erroneous measurements due to adhesions.

   

• Compact and robust sensor easily accommodated on tight tank top real-estate
• Simple 2-wire sensor with 4...20 mA output signal, with M12-plug as electrical connection
• Accommodates wide range of process media with little or no required adjustment
• Individual parameter adjustment or programming via optional PC interface
• Adapts for both top down or bottom up measurement via optional PC interface
• Alarms signal (dry, internal error) user adjustable via PC interface

 

• Process such as ballance tanks and fi llers
• Level measurement for both vented and pressurized storage vessels
• Level monitoring in pressurized vessels
 

  • Thumbnail of document Data Sheet - NSL-M Potentiometric Level Transmitter
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    Data Sheet - NSL-M Potentiometric Level Transmitter

    Download

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