Top cover of the instrument
The measurement input is placed in the centre of the instrument’s top cover.
It is the TNC compatible socket. The SV 12L microphone preamplifier has a
specially designed matching TNC plug and a locking screw to secure the
preamplifier to the meter body. The accelerometers must be connected to
the instrument also using the TNC connector. The full description of the
signals connected to the socket is given in Appendix C.
Bottom cover of the instrument
In the bottom cover, there are three sockets: power (7-16V), C type USB
(USB), and multi-purpose (I/O); and the SD card slot.
The USB-C Device 2.0 interface is the serial interface working with 12 MHz
clock in the full speed mode and with 480 MHz in the high-speed mode,
which is a default mode of the instrument.
The Serial socket is the Serial Port with RS232 data transfer format in TTL
logic standard by means of the SP 75 interface. It conforms to the EIA
Standard RS 232C and enables remote programming of all instrument
functions and transmission to and from the instrument with speed from 300
bit/s to 115200 bit/s.
The additional multi-purpose input/output socket, called I/O, is a 3.5 mm jack
socket. In case the Analogue Output functionality is selected, the signal from
the input of the analogue/digital converter (before any frequency correction)
is available on this socket. This signal can be recorded using a magnetic
recorder or observed on an oscilloscope. The Digital Input as another
functionality that serves as the external trigger to the instrument, while the
Digital Output is used to generate the trigger pulse or alarm pulse from the
instrument.
There is a micro-SD card memory slot located between sockets 7-16V and
USB. Under the bottom cover of the instrument there are spaces for the 4 x
AA batteries.
All sockets are described in detail in Appendix C for this manual.
You can power the instrument from the external
6 x AA battery pack (SA 17A) or DC power
source 7 V DC÷16 V DC, 1.5 W (SA 15) via the
7–16 V socket or from the USB power source via
the USB socket and SC 158 cable. The current
consumption depends on the voltage of the
power supplier.
Note: Use only high-quality USB-C cables, such as SC 158. Many poor-quality cables do not ensure
low resistance of the cable, thus disabling proper operating of the instrument.
Note: The originally supplied Kingston Industrial memory card has been tested by SVANTEK and
cards of this type are strongly recommended for use when the original card is going to be replaced.
Note: Switch the power off before connecting the instrument to any other device (e.g. a Personal
Computer).
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