CHEMSOLUTE ready-to-use conductivity sol. 12880 µS/cm, 500ml (THG) Back Catalog number: 1580-500ML Availability: In the manufacturer's stock Price on request - + Recommended MA840 Polarographic DO probe with 3m cable Price on request MA841 Spare membrane for MW600 (5 pcs). Price on request SE220 Double junction pH electrode SE220 Price on request