Section 3 Mechanical Installation & Lightning Protection
14 FT722 & FT742 (RS485) – FF & PM Sensors – User Manual
3 MECHANICAL INSTALLATION & LIGHTNING PROTECTION
Two mounting options are available and have different mechanical dimensions and properties. The Flat-Front
sensor allows for simple mounting against a flat bar using a single screw, nut and washer. The Pipe-Mount sensor
offers enhanced cable protection from environmental factors and an improved low-impedance ground path for
lightning protection - the pipe mount sensor may be preferred for difficult or lightning-prone areas. See Section
3.1 for Flat-Front sensors, Section 3.2 for the Pipe-Mount sensors.
Ensure the airflow into the sensor is not obstructed or influenced by nearby objects. We recommend a minimum
clearance distance of 20cm between the sensor and other objects.
• The wind sensor installation must be properly designed to ensure the correct
operation of the sensor. This section is for guidance only. It is the responsibility of
the designer and installer to ensure that the installation and its design is fit for
purpose. Please see the Disclaimer in Section 1.6.
3.1 Flat-Front Sensors
3.1.1 Mechanical & Electrical Integration
The flat-front model has a flat contact area used to attach the sensor onto a mechanical bracket.
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