SI Analytics TitroLine 7000-M2 / 20. TitroLine® 7000 basic unit with magnetic stirrer TM235 and 20 ml exchange unit WA20, with amber glass bottle for titration reagent, GL45 and S40 bottle adapter, hoses, drip-off tubes and titration tip. With pH combination electrode IL-pHT-A120MF-DIN-N and buffer set. UPGRADE.