Combined pH electrode MA920B/1 Back Catalog number: MA920B/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MA840 Polarographic DO probe with 3m cable Price on request 6210129 CSKC50M Reagecon 50,000 µS/cm Conductivity Standard, 500ml Price on request MA921B/1 Double junction orp platinum electrode MA921B/1 Price on request