pH Sensor InPro4800i/SG/225 Back Catalog number: 52005384 Availability: In the manufacturer's stock Price on request - + Recommended HI62911D pH Electrode with Titanium Body for Plating Baths Price on request SE520 Conductivity/TDS probe with 1meter cable SE520 Price on request MA921B/1 Double junction orp platinum electrode MA921B/1 Price on request