APCI Capillary Electrode, API 4000, API 5000, 4500 Back Catalog number: CTS-21102 Availability: In the manufacturer's stock Price on request - + Recommended MI60P Combination probe for pH/EC/TDS/Temp for MW803/MW8 Price on request 4090010109 DPCD10 Portable pH/Cond/DO Meter (Polarographic Ty 1 141,49 € MW600 Dissolved oxygen meter MW600 Price on request