Depth
The Thelma Biotel depth sensors can deliver depth data down to 1000 meters and can be made to present high-resolution data in any range of interest. The depth sensor is available in all five transmitter sizes and with a wide range of battery packs, allowing optimization in size and operational life. Two sensor types are available, the standard depth sensor, with a detection range down to 290 m, and the 1K depth sensor, with a range down to 1000 m.