pH Sensor InPro4260i/SG/225 Back Catalog number: 52005382 Availability: In the manufacturer's stock Price on request - + Recommended MA814DB/1 EC/TDS/Temp probe for Mi170 Price on request MA812/2 Conductivity/TDS probe with 2meter cable(MC 310). Price on request MA831R Stainless steel temperature probe Price on request