The CN series is manufactured by Sitron, and is a conductive probe that is intended to regulate the level of all conductive medium with up to two different points of level control. There are also electronics inside that offers an adjustable sensitivity and time delay adjustment of the unit. There is no needed remote controller when the relay is equipped within the casing, which the different series are available with rigid and removable rods that has pendular electrodes made of stainless steel. It is also applicable in aggressive media and high temperature, which has a maximum pressure of 20 bar.