Combined pH electrode MA920B/1 Back Catalog number: MA920B/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MA814DB/1 EC/TDS/Temp probe for Mi170 Price on request LCL-30-3 2M Lithium Chloride Electrolyte, 3 x 30ml Price on request MA921B/2 Double junction ORP platinum electrode MA921B/2 Price on request