A multi-parameter tool assembly provides for monitoring of one or more parameters, such as those relating to water quality. As part of the tool assembly, a sensor head is configured to receive and electrically interconnected with a plurality of interchangeable sensor head components. The sensor head...http://www.google.fr/patents/US20030148672?utm_source=gb-gplus-shareBrevet US20030148672 - Multi-parameter monitoring tool assembly
