TECHNICAL DESCRIPTION AND OPERATING MANUAL ST131 <PIRANHA II> and ST131N
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1.3.6 Infrared sensor "ST131.IR"
This sensor structurally consists of receiving photodiode and pre-amplifier.
This sensor is connected to I/O socket of the main unit.
The front side of sensor has the screw-thread used for connection of the
special monopod.
1.3.6.1 Monopod
The monopod is intended for facilitation of search of IR transmitting devices which installed at
external side of the window aperture in the direction “from the window”.
The monopod structure consists of four sections with total length of 900 mm. A turning mechanism
provides efficient setting of necessary viewing angle within the range up to 180
o
.
1.3.7 SHF antenna-detector "ST131.SHF"
ST131.SHF consists of the structurally integrated log-
periodic antenna and SHF detector-amplifier.
The handle comprises a screw-threaded hole 1/4" for
connection to the tripod.
It is connected to I/O socket of the main unit.
Figure 9
Figure 7
Figure 8
