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 SE220 Double junction pH electrode SE220 Price on request MA812/2 Conductivity/TDS probe with 2meter cable(MC 310). Price on request MA919B/1 Glass pH electrode, refillable, BNC, 1m Price on request