TIS Capillary Electrode, API 2000, QTRAP Back Catalog number: CTS-21212 Availability: In the manufacturer's stock Price on request - + Recommended 4090010109 DPCD10 Portable pH/Cond/DO Meter (Polarographic Ty 1 165,14 € MW801 Smart pH/EC/TDS combined meter MW801 Price on request 4090010001 DORP1+ Pocket ORP Bluetooth Tester 1.DORP1+ Meter 166,16 €