41
SVANTEK 974 User Manual
5.6
Checking the measurement range
– Range
The
Range
position
enables the user to
check the available measurement range in
the instrument.
<ENT>
There is one available measurement range:
Single
. The detailed description of
the measurement range is given in Appendix C.
Depending on the settings of the
Scale
parameter (
path: <Menu> / Display /
Display Scale
) the range will be presented in absolute or logarithmic units (dB).
Note: The calibration factor is always added to the range limits. For
example, if calibration factor is equal to 0.5 dB, the range will be
changed automatically (lower and upper limits will be increased by
0.5).
5.7
Setting up the RPM measurements
– RPM
To perform the RPM measurement the user should connected the RPM probe to the
Probe
input
socket.
The
RPM Measurement
position enables
the user to programme the measurements of
rotational speed, measured by tacho probe.
The RPM function usually is an optional
function and should be activated during first
attempt to switch it on.
<ENT>
Note: The RPM function is optional and should be unlocked by entering the activation code in the
text editor screen, opened by the ► push-button. Once unlocked this option will be ready to use
permanently.
The
Pulse/Rot.
position enables the user to
select the number of pulses per one rotation.
Available values are in the range:
1
..
360
.
The
Unit
position enables the user to select
the unit of the measurement. Two option are
available: revolutions per minute (
rpm
) and
revolutions per second
(rps
).
Note: The RPM results are always registered in the logger file as a logger results (with the logger
step) and as a summary results (with the intergration period step).
