pH Sensor InPro4260i/SG/225 Back Catalog number: 52005382 Availability: In the manufacturer's stock Price on request - + Recommended 52002547 pH Sensor InPro3250/120/PT100 Price on request MA851D/1 pH/EC/TDS/Temp. amplified probe, 1m Price on request MA840 Polarographic DO probe with 3m cable Price on request