Instrumentation to measure the properties of ground and surface water, including water level, conductivity, pH, dissolved oxygen and other characteristics, where a sensor or sensors are fitted to a measurement tape on a reel which houses the datalogger.
Instrumentation to measure the properties of ground and surface water, including water level, conductivity, pH, dissolved oxygen and other characteristics, where a sensor or sensors are fitted to a measurement tape on a reel which houses the datalogger.
Instrumentation to measure the properties of ground and surface water,...
