APCI Capillary Electrode, API 4000, API 5000, 4500 Back Catalog number: CTS-21102 Availability: In the manufacturer's stock Price on request - + Recommended HI 98309 Konduktometr UPW, 0,000...1,999µS Price on request CD97 TDS tester with ATC, range: 1 - 999 ppm Price on request MW100 pH meter MW100 Price on request