WaterMark Model 4200 Bridge Board

Use this free-standing support with a sounding reel (sold separately) to raise or lower a current meter or sediment sampler over bridge railings. The vertical leg is adjustable to match rails of 12” to 48” heights. The 4’ boom extends past the bridge railing to lower the instrument into the water below. Recommended maximum weight of the instrument being lowered is 30 pounds. The bridge board is constructed of aluminum with stainless steel hardware. Folds for easy transportation and storage.