pH Sensor InPro3250/120/PT100 Back Catalog number: 52002547 Availability: In the manufacturer's stock Price on request - + Recommended MA814DB/1 EC/TDS/Temp probe for Mi170 Price on request SE510 Conductivity/TDS probe with 1meter cable SE510 Price on request LCL-30-3 2M Lithium Chloride Electrolyte, 3 x 30ml Price on request