Transmitter These small sensors are designed for ease of use and reliability in both chemical and benign industrial environments. Used for liquid level measurement and control...ToughSonic LVL Senix Corporation Non-Contact Ultrasonic Sensors ToughSonic "LVL" Level Sensors Multiple Outputs, Windows PC Adjustable More than just a Chemically Resistant Level... additional hardware) More than Just a Sensor in this Small Package! Multiple simultaneous outputs Level control features Adjustable filters, timers, time delays Conditional output...