Double junction pH electrode MA911B/2 Back Catalog number: MA911B/2 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MA841 Spare membrane for MW600 (5 pcs). Price on request MA851D/1 pH/EC/TDS/Temp. amplified probe, 1m Price on request MA921B/2 Double junction ORP platinum electrode MA921B/2 Price on request