CHEMSOLUTE ready-to-use conductivity sol. 1413 µS/cm, 500ml (THG) Back Catalog number: 1575-500ML Availability: In the manufacturer's stock Price on request - + Recommended MA915B/2 pH glass electrode for with 2meter cable. Price on request MA840 Polarographic DO probe with 3m cable Price on request MA920B/1 Combined pH electrode MA920B/1 Price on request