TIS Capillary Electrode, API 2000, QTRAP Back Catalog number: CTS-21212 Availability: In the manufacturer's stock Price on request - + Recommended MW101 Portable pH meter, 0.00 to 14.00pH, 2point cal. Price on request 4090010005 DORP1 Pocket ORP Tester 1.DORP1Meter (battery pre 158,23 € 4090010207 DPD100 Benchtop pH/DO Meter (Polarographic Type) 963,33 €