Equipment Marking Transmitters (EMT)

Sonotronics’ Equipment Marking Transmitters consist of high powered, long life transmitters placed in rugged, highly visible packaging. The EMT series transmitters come standard with flat ends and 3/16″ mounting holes on each end. Other custom packaging options are possible.


Equipment Marking Transmitters (Weights in Air)
TAG MODEL Length OD WT in air Range Autonomy
EMT-01-1 99mm 19mm 40g To 1km 48 months
EMT-01-2 99mm 19mm 40g To 3km 18 months
EMT-01-3 201mm 32mm 223g To 4km 16 months typical

1) The EMT-01-3 has user replaceable batteries.

*EMT-01-1 and EMT-01-2: Recommended maximum depth rating: 2500m. Transmitters have been tested successfully to 5000m depth.  The EMT-01-3 replaceable battery unit is rated for a maximum depth of 1000m.

EMT Data Sheet
EMT Manual
See YouTube Videos in our Resources Section