Commercial in confidence
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1.4. Servicing equipment
Detailed SART servicing requires specialist equipment, including a microwave pulse generator
and a spectrum analyser. To reduce equipment costs a dedicated SART tester (ARG 5420) is
now available. Traditionally this equipment is beyond the reach of many service agents and a
lower level of routine SART servicing has become normal. This just requires access to a marine
X-band radar to trigger the SART and view its response on the radar screen. For many service
agents located near a harbour this facility can be arranged with local boat owners. The level of
equipment required can thus be broken into two categories:
Equipment for advanced servicing:
a) 9.4 GHz pulse generator with suitable horn antenna
10 GHz minimum spectrum analyser (accurate to 1 MHz) with Rx antenna
or
b) ARG 5420 dedicated SART tester
Equipment for routine servicing:
Marine X-band Radar within 3 miles (or access to this)
Leak test facility (made on site as required)
Static safe work area with operator wrist strap
Battery discharge circuit (made on site as required)
Tin can or metallic cover for screening SART radome
Multimeter
Handtools:
Small Pozidriv (PT0) screwdriver
Large Pozidriv (PT2) screwdriver
Torque driver with 2mm hex (allen) bit
Antistatic precautions
The electronics section of the SART is sensitive to electrostatic discharge (ESD). ESD can cause
immediate or hidden long term damage. It is important that the PCBs are only handled under
suitable antistatic conditions.
Ideally, a fully grounded workstation which has conductive surfaces to avoid the build up of static
charge should be used. As a minimum, the operator must be connected to a good earth point
through a resistance of 1Mohm. This is usually achieved by wearing a suitable wrist strap.
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