SONAPHONE
®
E
Operating Manual – Revision: 2.4 | 2020-11-17
Page 17 of 66
4.2 General information
Ultrasound is generated due to friction caused by the flow of gases,
liquids and solids in pipes and leakages. These ultrasonic signals are
recorded by the SONAPHONE
®
E, their intensity is shown on the display
screen and made audible through speaker or headphones. As an option,
surface temperatures can be measured with a temperature sensor. The
recorded data can be stored and transmitted to a computer using the
integrated USB interface outside potentially explosive atmospheres.
Ultrasound can be generated in a wide variety of processes, for example:
• at leaks in compressed air, steam and vacuum systems
• at steam traps
• on leaking valves, gate valves, shut-off valves or taps in pipe systems
• from roller bearing damages
• from cavitation at pumps and compressors
• from flash-overs and corona discharges on electrical installations
Using the SONAPHONE
®
E, it is possible to locate precisely the defects
and estimate their magnitude.
Tightness testing
(outside potentially explosive areas)
The ultrasonic transmitter SONAPHONE
®
T (optional accessory) can be
used to detect leaky spots in vehicles, freight containers, other types of
containers and ventilation technique systems where no ultrasound is
generated. The transmitter generates ultrasonic waves which emerge at
the leaks. The precise location is determined externally using the
SONAPHONE
®
E.
