APCI Capillary Electrode, API 4000, API 5000, 4500 Back Catalog number: CTS-21102 Availability: In the manufacturer's stock Price on request - + Recommended MI106 Combined portable meter pH/ORP/Temp Mi106 Price on request MW302 Conductivity meter MW302 Price on request MI150-E pH/Temp combined bench meter Mi150-E Price on request