Test and evaluation results are reported for a system which is designed to measure temperature, conductivity, depth, dissolved oxygen, and pH to depths of 100 meters. The system is described and manufacturer's specifications are listed along with representative performance data such as accuracy, stability, power variation, and environmental effects for the five parameters. In addition, an extended performance summary is provided which details the history of the system, the modifications required during the course of the testing program, and a list of required replacement parts. General comments are offered for the benefit of potential and current users.

Public Domain