principle of ultrasonic fault-finding has been known for
many years and is not questioned. But there have been till
now problems with its application, with devices with inadequately
sensitive and selective microphones and unable to electronically
filter out the disturbances which are always present in
a working factory. The Ultrasonic SPY 101 normally exceeds
the clarity required to make a rapid, unequivocal diagnosis.
We can with justification talk of a technical break-through.
SPY is only 23.4 cm long and weighs 320 grams. To adjust
for the required sensitivity, only one switch and one knob
are required. It is hardly possible to think of simpler
operation. According to the application, there is a selection
of probes to be added, which receive signals out of the
air or by direct contact.
money ? Users report that, by introducing the SPY, they
have reduced their search and diagnosis times by 80% to