Double junction pH electrode MA911B/2 Back Catalog number: MA911B/2 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MI58P pH/ORP/Temp probe for pH58 Price on request MA921B/1 Double junction orp platinum electrode MA921B/1 Price on request 52005384 pH Sensor InPro4800i/SG/225 Price on request