pH Sensor InPro4260i/SG/225 Back Catalog number: 52005382 Availability: In the manufacturer's stock Price on request - + Recommended SE520 Conductivity/TDS probe with 1meter cable SE520 Price on request MA921B/1 Double junction orp platinum electrode MA921B/1 Price on request 1575-1L CHEMSOLUTE ready-to-use conductivity sol. 1413 µS/cm, 1L (THG) Price on request