The Kongsberg GLA-300/HS is a Radar Tank Gauge and is part of the Kongsberg GL-300 Tank Monitoring System. The Kongsberg GLA-300/HS is designed for slop tanks or applications with still pipes.

The Kongsberg GLA-300/HS is designed with a horn antenna that uses a PTFE plate that isolates the radar electronics from the tank atmosphere. The horn antenna diameter is designed to fit a still pipe with a 3,5″ inner diameter. The antenna of the Kongsberg
GLA-300/HS comes with a 0.7m top pipe selection with facilities for internal cleaning of the pipe surface.