RSF43HFP

Series:	RSF40
Part Status:	Active
Type:	Liquid
Output Type:	Switch (Single Float)
Output Configuration:	SPST-NC/NO
Current:	1A
Minimum Liquid Specific Gravity:	0.85
Switch Actuation Level:	0.787" (20mm)
Mounting Type:	Panel Mount, M16x2 Thread
Material - Housing & Prism:	Nylon
Operating Temperature:	-20°C ~ 75°C
Voltage Rating:	300VDC, 300VAC

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Float, Level Sensors: RSF43HFP Application Field and Working Principle

Float level sensors based on the RSF43HFP offer a variety of applications for industrial environments. The device is easy to install, offers reliable operation in most circumstances and can be adapted to suit a variety of needs.

RSF43HFP Overview

The RSF43HFP is a float level sensor which utilises floats which sink when they come into contact with a liquid. It has a sensing range of 100-200mm, a temperature range of -40°C to +90°C and a maximum pressure of 10bar. The length of the sensing element is adjustable to match the environment and application. There are a variety of available materials including brass, stainless steel and PVC. The RSF43HFP is easy to install and requires minimal maintenance, making it suitable for many industrial applications. The device is supplied with a cable for electrical connection and the unit must be mounted horizontally for optimal accuracy. The user simply needs to align the float with the required level and the unit will do the rest.

Application Areas of the RSF43HFP

The RSF43HFP offers reliable and accurate operation in a variety of applications. These include the control of liquid levels in boiler, tank, reservoir and well systems. It can also be used in condensate systems, when monitoring the water level in pumps, and in process automation applications. In the area of water treatment, the RSF43HFP is used to detect the level of waste treatment tanks, sewage tanks and water tanks. In fire protection applications, the device monitors water levels in sprinkler tanks, while it can also be used in the food industry to detect overfill conditions in tanks and silos.

RSF43HFP Working Principle

The RSF43HFP works on the principle of float displacement. The float, usually made from brass or stainless steel, is attached to a medium-weight rod which is connected to an electrical switch. As the float descends into the liquid, the rod displaces a mechanical switch, leading to an electrical switch. This switch can be connected to other systems, allowing the user to monitor the liquid level in real-time. The float is designed with a series of holes, allowing it to fill or drain with liquid. This feature is part of the device’s self-adjusting mechanism, which allows it to work in shallow, deep and changing levels of liquid. The unit is also sealed, ensuring that accurate results are maintained for the life of the device.

Conclusion

The RSF43HFP is a float level sensor designed for a variety of industrial applications. It is easy to install, requires minimal maintenance and offers reliable operation in most situations. The device utilises the principle of float displacement and is self-adjusting, allowing it to work in shallow, deep and changing levels of liquid. The RSF43HFP has a wide range of applications, from fire protection systems to water treatment applications, and is proving invaluable in terms of monitoring liquid levels in industrial settings.

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