Has stress cracks on the inside of the cylinder. See the pictures it was hard to show assume it is worse than pictured. It does not effect the use. 

Up for sale is a professional-grade water quality monitoring kit featuring the YSI 600XL (Excel) Sonde paired with the YSI 650 MDS (Multi-Parameter Display System). This duo is the industry standard for spot-sampling and short-term monitoring of groundwater, surface water, and wastewater.

​What’s Included:

​YSI 600XL Sonde: Measures Temp, Conductivity, pH, ORP, and Dissolved Oxygen (Clark Cell).

​YSI 650 MDS Handheld: Rugged, waterproof (IP67) data logger with backlit display.

​Field Cable: Heavy-duty connecting cable.

​Protective Probe Guard: Stainless steel/weighted shroud.

​Technical Specifications:

​Parameters: Temp, Conductivity, Salinity, TDS, pH, ORP, DO.

​Memory: Stores up to 150 datasets on the 650 MDS.

​Power: Handheld uses 4 C-cell batteries; Sonde is powered by the handheld.

​Condition:

​Functional Status: Powers on and communicates successfully. Sensors respond to testing.

​Physical Condition: Good used condition with typical field wear.

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