EC/TDS/Temp probe for Mi306 Back Catalog number: MA814D/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended HI1043B Refillable Double Junction pH Electrode Price on request MA9305 Pack of 100 x 1.4V batteries. Price on request MA991B/1 Combined glass pH electrode MA991B/1 Price on request