pH Sensor InPro3250/120/PT100 Back Catalog number: 52002547 Availability: In the manufacturer's stock Price on request - + Recommended MA831R Stainless steel temperature probe Price on request MA811/2 Conductivity/TDS probe with 2meter cable (MC410). Price on request LCL-30-3 2M Lithium Chloride Electrolyte, 3 x 30ml Price on request