The YSI 63 instrument measures pH, salinity, conductivity and temperature. The instrument has a backlit display and is available in four cable lengths (3, 7.5, 15 and 30m). The instrument is battery powered and has approximately 100 hours continuous operation.

		50-reading memory with ID
		User-selected or autoranging for conductivity
		Replaceable PH electrode with 1-year-warranty