Time Mark Corporation Datasheets for Liquid Level Sensors

Liquid level sensors are used to detect liquid levels or interfaces between liquids such as oil and water or liquids and solids. 
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Product Name Notes
The Model 404 Liquid Level Sensor operates in conjunction with a Model 403 Controller for bubbler-type duplex pumping systems. The 404 contains an air pressure-to-voltage transducer and requires only a...
The Model 408 is a 5-level liquid level sensor designed for use with bubbler-type systems. The 408 contains an internal air pressure transducer; the user must provide a small air...
The Model 409 is a compact, socket-mount device for level control of conductive liquids. The internal relay is energized when operating power is applied. When the liquid level reaches the...