EC/TDS/Temp probe for Mi306 Back Catalog number: MA814D/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MA9305 Pack of 100 x 1.4V batteries. Price on request MA919B/1 Glass pH electrode, refillable, BNC, 1m Price on request SE220 Double junction pH electrode SE220 Price on request