Combined pH electrode MA920B/1 Back Catalog number: MA920B/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MA911B/2 Double junction pH electrode MA911B/2 Price on request HI62911D pH Electrode with Titanium Body for Plating Baths Price on request MI57P ORP/Temp probe for ORP57 Price on request