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 MA923D/1 pH/ORP/Temp amplified probe MA923D/1 Price on request SE520 Conductivity/TDS probe with 1meter cable SE520 Price on request MA9305 Pack of 100 x 1.4V batteries. Price on request