Tilt Switches and Control Units

Goods Description:Ramsey* Model 90.151 Low Capacity Weighbelt Feeder The Thermo Scientific* Ramsey Model 90.151 low capacity weighbelt feeder offers accurate weighfeeding of light materials at low feed rates. The Thermo Scientific Ramsey Model 90.151 low capacity weighbelt feeder with its innovative

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Product Details

• Rugged, abrasion-resistant tilt switch. Simple installation.

• Control unit is solid state, printed circuit board construction.

• Adjustable time delay to 10 seconds - Prevents false trips.

• Control unit standard NEMA 4X enclosure (Model 20-43) or without enclosure (Model 20-43-1) for control panel mounting.

• Performance proven in thousands of applications throughout the world.

• All probes include mounting hardware.

APPLICATIONS

• High level detector in bins and vessels containing a wide variety of materials.

• Chute or transfer point plug-up detector.

• Conveyor belt misalignment detector.

• Level control in volumetric batching.

• Crash probe for tripper car.

• Starvation or no-flow detector for belt and vibratory feeders. The Pro-Line tilt switch is actuated when material rises to tilt the probe 15 degrees or more from its vertical posi-tion. The mercury switch is precisely positioned so that, regardless of direction of tilt, the normally-closed contacts are caused to open. The switches are encapsulated in various sizes to suit the application. The Model 20-43 control unit is housed in a NEMA 4X box with green (“Normal”) and red (“Alarm”) indicating lights inside a clear front enclosure. A 0-10 second adjustable time delay circuit in the control unit prevents momentary tilting of the switch from causing a false or premature contact transfer. An internal jump wire permits selection of “Normal” condition either with the tilt switch vertical or tilted. Two normally-open and two normally-closed output contacts are available for connection to external alarms and/or controls. Interruption of line power causes a relay transfer. Various probe assemblies are available for application with a wide variety of materials and environmental conditions (see chart on back side for description of available probe assemblies.) The control unit is also available without enclosure for mounting in other types of enclosures and control panels (Model 20-43-1.)