MODEL AT3
1 – 2
Figure 1-1: Typical Return Reflections from Oscilloscope Trace.
The far wall pulses and the main bang, although not counted, provide an indication of the operating
characteristics of the transducer. Changes in these signals may indicate a transducer problem. At
128 times a second the AT3 sends out a burst of energy into the process liquid, turns around and
listens for echoes that return to the transducer, and then analyzes the data to determine a
measurement.
Summary of Contents for Monitek AT3
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