Manuale di Istruzione
Instruction Manual
21/05/2012 58-E4800 Rev. 4 EN
If the surface of the sample is not smooth, it is recommended the quantity of contact paste
is increased. In any case it is good practice to apply a constant pressure on the probe
heads for a few second and then to record the lowest transit time displayed. The
instrument can emit 1, 2, 5 or 10 waves per second, which can be set via the pulse rate
function.
It is useful to use a high pulse rate if an analogical oscilloscope (optional) is connected to
the instrument, or when it is preferred to have quick updating of the transit times
displayed on the instrument. However, with a high pulse rate the autonomy of the
batteries is reduced due to the higher power consumption.
It is recommended in normal conditions to use a pulse rate of 1 Hz which allows the
reduction of signal instability due to electrical noise.
To change the pulse rate, press the arrow down during the normal operation of the
instrument.
Fig. 3-7
NOTE:
The set value is maintained even if the instrument is switched off.
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