Ultrasonic Point Level Controls
Veri-GAP™- Line Powered
504-1000 series level switch with
404-1000 series electronics.
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  The 504-1000 series Veri-GAP™ level switch is a line powered ultrasonic gap switch for high and low level measurements in a variety of liquids. It requires NO CALIBRATION, has no moving parts to break or wear out, and is not affected by variations in liquid, pressure, or electrical properties. Optional VERIFY™circuitry checks the entire controls system for correct operation.

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Veri-GAP™-Two Wire
504-1200 series level switch with 404-1200 series electronics.
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The 504-1200 series Veri-GAP™ level switch is a two-wire ultrasonic gap switch for high or low level measurement in a variety of liquids. It requires NO CALIBRATION, has no moving parts to break or wear out, and is not affected by variations in liquid, pressure, or electrical properties. Optional VERIFY™circuitry checks the entire control system for correct operation.

Adjustable Veri Gap Adjustable Veri-GAP™ Level Switch (Line Powered or Two Wire)
504-1X00 series level switch with
404-1X00 series electronics.
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  This 504 series level switch is an integral unit assembly which senses liquid presence by ultrasonic techniques, regardless of changes in the material's physical properties, including density. No calibration of any kind is required.
  One adjustable-length Veri-GAP sensor handles a wide range of applications. The operating point can be changes in seconds and adjusted along the entire length of the standard 36-inch sensor.

Dual Veri Gap Dual Veri-GAP™Level Switch ( Line Powered or Two Wire )
504-1X60 series level switch with
404-1X60 series electronics
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  The Dual Veri-GAPlevel switch is economical for processes requiring two operating points, such as batch processing and sump applications. This level control provides two operating on one sensor, so there is only one unit to install and maintain. It requires only one opening in the vessel for the sensor, and no calibration.
  The Dual Veri-GAPTM level switch is ideal for high and low point level measurement in liquids. It is not affected by variations in viscosity, density, pressure, temperature, or electrical properties.
 

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