pH Sensor InPro4260i/SG/225 Back Catalog number: 52005382 Availability: In the manufacturer's stock Price on request - + Recommended MA914BR/1 pH/Temp amplified probe with 1m cable for Mi105 Price on request MI56P pH/Temp probe for pH55 and pH56 Price on request MA991B/1 Combined glass pH electrode MA991B/1 Price on request