pH Sensor InPro4800i/SG/225 Back Catalog number: 52005384 Availability: In the manufacturer's stock Price on request - + Recommended MA914BR/1 pH/Temp amplified probe with 1m cable for Mi105 Price on request MA851D/1 pH/EC/TDS/Temp. amplified probe, 1m Price on request MA991B/1 Combined glass pH electrode MA991B/1 Price on request