Any temporary object (such as snow, ice, or a bird) that blocks the
observation path between the ultrasonic transducer heads may lead to inaccurate or
incorrect measurements.
CAUTION!
Do not open the instrument or sensor. There are no user-serviceable parts
inside.
CAUTION!
In maritime environments, it is not possible to perform WMT700 software updates.
6.2 Testing Operation
Optional verifier (WMT70VERIFIER)
WMT700 measures the time it takes for an ultrasonic signal to travel from one transducer to
another. Therefore, the accuracy of the sensor depends on the distance between the
transducers and the
time-of-flight measurement circuit, which uses a crystal oscillator for its
time reference.
WMT700 User Guide M211095EN-H
164
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