Does the OPS measure level or pressure?

FAQ - PS1

1. What is the diameter of the OTT pressure sensor?
2. What is the FAD box and do I need one?
3. How is the instrument configured?
4. What sorts of outputs are available?
5. Q: Does the OPS measure level or pressure? A: The OPS measures the pressure as well as the temperature. The gravity constant at your measurement site can them be entered manually, which allows the OPS to calculate the water level, which is then reported as the output value.
   
   
6. What level ranges are offered?