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Continuous Float Level Sensor

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C4651-12802  – 18.63" Continuous Level Sensor with 1/4" Resolution
The C4651-12802 Continuous Float Level Sensor provides 1/4” resolution with a 4-20mA output ov..
$253.68
C4651-12803 - 24" Continuous Level Sensor with 1/4" Resolution
C4651-12803 is a durable Stainless Steel Continuous Float Level sensor designed for industrial appli..
$352.55
C4651-12804 - 32" Continuous Level Sensor with 1/4" Resolution for 55-Gallon Drums
The C4651-12804 Continuous Float Level Sensor provides 1/4” resolution with a 4-20mA output an..
$412.88
C4651 - Continuous Float Level Sensor with 1/4" resolution
The C4651- 1/4" resolution Continuous Liquid Level Float Sensor is designed to accurately monitor li..
$0.00
Continuous Float Level Sensor

C Series

Continuous Level Sensors - Float Type

Madison's standard and customizable vertical-mount continuous level indicators provide tank level indication and control through the available resistive, current or voltage outputs. Connect the sensor output to a process meter, programmable controller, microprocessor or other readout system to control pumps, valves, alarms or other devices. Ideal for remote sensing in tanks with restricted or limited access; precise monitoring in a series of mixing tanks; central monitoring of liquid level in multiple remote tanks; monitoring the interface between two dissimilar liquids; and any application where the liquid level requires constant, accurate monitoring.

Rugged and reliable, Madison's continuous float sensors are available in various materials, mounting configurations and output types for flexibility in varied fluid environments. These continuous sensors, when combined with Madison Panel Meters or other devices, provide accurate, uninterrupted tank level readout and control with 1/4" resolution.

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Theory of operation:

A magnet-containing float travels the length of the sensing range and interacts with a reed switch/resistor network. The reed switch/resistor network consists of evenly distributed reed switches over the sensing length and corresponding resistors to achieve the desired output resolution. Reed switches magnetically actuate as the float moves with the liquid level. Apply DC power and connect the output signal to process meters, programmable controllers, microprocessors or other readout devices.

Madison offers sensors to meet a wide variety of applications or budgets.

High Accuracy: Model C4651 (1/4" resolution) sensor offers high-resolution for accurate liquid height measurement and control.

Features

  • Flexibility for varied fluid environments
  • Suitable for any tank application
  • Provides precise, uninterrupted readout with 1/4" resolution
  • Various output signals available (4-20 mA, 1-5 DC, resistive)
  • Ideal for:
    • Remote sensing in tanks with restricted or limited access
    • Precise liquid level monitoring in a series of tanks in mixing operations
    • Central monitoring of liquid level in remote multiple tanks
    • Any tank application where the liquid level requires constant and accurate monitoring
    • Critical for oil/water separation, interface floats can be used to monitor the level between two dissimilar liquids

interface-floatsAbout Interface Floats

Madison's Continuous Float Level Transducers are often designed with a specially weighted float to "ride" on the interface between two liquids with different specific gravities. The most common tank application is for oil-water separation.

By 'weighting' the density / specific gravity of the float, Madison Comapny can provide a float that sinks through a lower density material (like oil), while remaining buoyant on the higher density fluid below (like water).  By monitoring the interface of the two dissimilar fluids, like in an oil/water separator, waters or oils can be safely pumped away. The weighted float principle remains one of the most direct, reliable and economical means of sensing liquid interfaces like chemical emulsions, slurries and other layered liquids.