pH Sensor InPro3250/120/PT100 Back Catalog number: 52002547 Availability: In the manufacturer's stock Price on request - + Recommended MA812/2 Conductivity/TDS probe with 2meter cable(MC 310). Price on request PC-5000-1177 1/4" ID Peristaltic Pump Santoprene Tubing (TPE55S Price on request MA831R Stainless steel temperature probe Price on request