I want use the bar 30 depth sensor to monitor and record diver depth. Can it be mounted to the diver’s harness, with a cable running to a computer on the surface.
The Bar30 communicates via an I2C bus. This bus is only designed to operate over distances over a few centimeters, so you will need a computer or microcontroller on the diver to communicate with the sensor, and the surface will need to talk to that computer, instead of with the Bar30 directly.
So, it could be mounted on a diver, but will require some supporting hardware/software.