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Ultra-miniature Sensor Amplifier Reliably Detects a Wide Variety of Liquids Ranging from Water to Liquid Chemicals with Low Conductivity

� Detects liquids with impedance as high as 50 MΩ using inter-electrode resistance detection. Detection of IPA and pure water is possible.

� Four selectable sensing ranges ensure detection suited to the characteristics of the liquid.

� Incorporates a noise canceller circuit connected to a 3-conductor cable, ensuring a high level of noise immunity and reliable operation (patent pending).

� The power supply block and Sensing Band are isolated, allowing the installation of more than one device in the same place.
 

 

 

 

Liquid Leakage Sensor Amplifier with Disconnection Detection Function

� Constantly monitor for disconnections between the Sensor Amplifier and Sensing Band.

� Failure to detect liquid leakage due to disconnection in the Sensing Band prevented.

� Notification of disconnection detection made using LED indicator and transistor output.

� After a disconnection is detected, the operating status is held to avoid instability due to further contact of the disconnect part.

� This model retains all the characteristics of the K7L-AT50 (detection sensitivity, sensing ranges and AC detection method).

� Meets UL/CSA standards.