Combined glass pH electrode MA991B/1 Back Catalog number: MA991B/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 MA905B/3 Combination pH electrode MA905B/3 Price on request SE520 Conductivity/TDS probe with 1meter cable SE520 Price on request