APCI Capillary Electrode, API 4000, API 5000, 4500 Back Catalog number: CTS-21102 Availability: In the manufacturer's stock Price on request - + Recommended MI306 Automatic combined EC/TDS/NaCl/Temp meter Mi306 Price on request MI151 pH/ORP/Temp combined bench meter Mi151 Price on request MI160 pH/ORP/ISE/Temp combined logging bench meter Mi16 Price on request