Operation; Power On/ Off; Transducer Set - sauter TU 80-0.01US Instruction Manual

The surface being measured should be clean and free of any small particulate matter,
rust or scale. The transducer must be placed on a flat and even surface. To get it clean
it might be helpful to use a wire brush or a scraper. In more extreme cases, rotary
sanders or grinding wheels may be used. Care must be taken to prevent surface goug-
ing which inhibits a proper transducer coupling.
Extremely rough surfaces such as the pebble-like finish of cast iron will be measured
quite complicated. These kinds of surfaces comport to the sound beam like frosted
glass on light: the beam becomes diffused and scattered in all directions.
In addition to this, rough surfaces account for an excessive wear of the transducer,
especially when it is "scrubbed" along the surface. Transducers should be inspected
time by time if there are any signs of abrasion.
If the transducer is worn off on one side more than on the other, the sound beam
penetrating the test material may no longer be perpendicular to the surface of the ma-
terial. In this case, it is difficult to exactly locate tiny irregularities in the material, as the
focus of the sound beam no longer lies directly beneath the transducer.

5 Operation

5.1 Power on/ off

The instrument is turned on by pressing the
If the instrument is initially turned on, the model type, the manufacturer information and
the serial number will be displayed before entering the main measurement screen. It
is turned off by pressing the
The instrument has got a special memory where all settings are stored even if it was
powered off.

5.2 Transducer Set

The model of the transducer should be preset to the instrument before measurements
are to be started. This enables the user to select the transducer type among supported
transducers according to frequency and diameter depending on application require-
ments. The following steps are to be used to select the applicable transducer model:
1) On the measurement screen, the
the 【Transducer model】tab.
2) The and the
3) The key has to be pressed to exit. The transducer model set can also be changed
by menu operation. For this, please refer to chapter 5.
TU_US-BA-e-1714
key.
key has to be pressed multiple times to activate
key have to be pressed to switch to the desired transducer model.
key.
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