pH Sensor InPro4800i/SG/225 Back Catalog number: 52005384 Availability: In the manufacturer's stock Price on request - + Recommended MA921B/1 Double junction orp platinum electrode MA921B/1 Price on request 18901153 DH10-LI01Lithium battery 23,56 € 18901174 DCON201 Cond probe 32,91 €