Combined pH electrode MA920B/1 Back Catalog number: MA920B/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended HI62911D pH Electrode with Titanium Body for Plating Baths Price on request MA840 Polarographic DO probe with 3m cable Price on request MA851D/1 pH/EC/TDS/Temp. amplified probe, 1m Price on request