EN ES FR NO 38 kHz echo sounder transducers The following 38 kHz transducers are available. Simrad 38-7Simrad 38-9Simrad 38/200 Combi CSimrad 38/200 Combi DSimrad C-AllSimrad ES38-10Simrad ES38-18/200-18CSimrad ES38-18/200-18CRSimrad ES38-18DKSimrad ES38-7Simrad ES38DD