WNK ATEX Explosion Proof IP68 Submersible Water Level Sensor for Agricultural Irrigation The WNK8010-ATEX Explosion Proof Water Level Sensor is a certified intrinsically safe submersible level transmitter designed for hazardous area applications in agricultural irrigation, deep well pumping stations, and groundwater monitoring. Featuring ATEX Ex ia IIC T4 Ga certification for use in Zone 0/1/2 gas atmospheres and IP68 fully submersible construction, it delivers reliable 4