Boom angle indicators

TWG’s Boom Angle Indicator (BAI), provides real-time boom angle position data to aid in safe crane operation. Perfect for mobile crane applications with display and sensor enclosure rated for IP65.

It is pre-calibrated with simple installation using only 4 mounting screws.

  • Greer BA590 Boom Angle Indicator on a while background.


  • Fully settable boom angle limits from -15 to +85 degrees
  • Audible and visual alarms
  • Backlit display

Technical specification downloads

Performance specifications

Model TWG Model Line
BA 590 Greer