APCI Capillary Electrode, API 4000, API 5000, 4500 Back Catalog number: CTS-21102 Availability: In the manufacturer's stock Price on request - + Recommended CD97 TDS tester with ATC, range: 1 - 999 ppm Price on request 4090010213 DPCD100T Benchtop pH/Cond/DO Meter (Touch screen/P 1 984,97 € MI151 pH/ORP/Temp combined bench meter Mi151 Price on request