2401-C Glass Conductivity Electrode (K=1.0, BNC Connector)The Apera Instruments 2401 C conductivity electrode is specifically designed for high accuracy laboratory measurements. Its cavity structure and platinum chip sensor design improve the accuracy and stability of conductivity measurement in the range of 0 to 200 mS cm. Developed for laboratory conditions Glass housing resists chemical corrosion Cavity structure improves measurement stability and accuracy Compatible with all measuring devices with BNC