84870404

Series:	L2N
Part Status:	Obsolete
Type:	High/Low Level (2)
Voltage - Supply:	230VAC
Sensitivity:	5kOhm ~ 100kOhm
Features:	Adjustable Sensitivity
Distance - Control To Sensor (Max):	100m
Output Type:	Relay
Contact Form:	SPDT (1 Form C)
Contact Rating @ Voltage:	8A
Mounting Type:	Socketable
Termination Style:	Plug In, 11 Pin (Octal)
Operating Temperature:	-20°C ~ 60°C
Fluid Type:	Chemical Solutions, Coffee, Ice Cream, Purified Water, Salt Water, Waste Water
Weight:	0.309 lb (140.16g)

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Introduction

84870404 liquid level controllers are versatile, digital, microprocessor-based electronic controllers that are used to measure and control the level of a liquid in an open system. This type of controller is often used in industrial and commercial applications to monitor and control various liquid levels, such as water or chemicals. The 84870404 controller can be used to maintain a constant level of the liquid by regulating the pressure, temperature, and flow rate of the liquid.

Types of 84870404 Controllers

There are two main types of 84870404 liquid level controllers: Ultrasonic and Instrumentation.Ultrasonic controllers use sound waves to detect the level of the liquid in an open system. The controller measures the distance and time between the emitted ultrasound signal and its return, and then calculates the level.Instrumentation controllers measure the level of the liquid using either pressure, weight/gravity, or conductivity. The instrumentation controller transmits data to an output device, such as a printer, a visual display unit, or a PLC, which in turn can control the application.

Features of 84870404 Controllers

The 84870404 liquid level controllers offer a range of features for level control applications. These include display, user input control, accurate readings, selectable parameters, multi-level alarms, and protection from environmental factors.The display feature allows the user to view the present level of the liquid in real time, enabling them to accurately monitor their application. User input control allows the user to adjust parameters such as level, time, and pressure as required. The controller also offers accurate readings with selectable parameters to measure the level of the liquid to suit the application. Additionally, the 84870404 controller is programmed with multi-level alarms for informing the operator of low or high liquid levels. Finally, the controller offers protection from external factors, such as environmental temperature extremes and power fluctuations.

Working Principle of 84870404 Level Controllers

The 84870404 level controllers use a combination of sensors and actuators to measure and control the level of a liquid in an open system. The controller is equipped with two sensors used to detect the level of the liquid. The first sensor is an ultrasonic transducer used to detect the distance between the sensor and the media. The second sensor is an onboard instrumentation detector, which measures the level of the liquid. The controller will then send a signal to the actuator, such as a pump or valve, which allows the user to control the flow rate, pressure, temperature and level of the liquid.

Conclusion

84870404 liquid level controllers offer a reliable and efficient solution for monitoring and controlling the level of liquid in an industrial or commercial open system. The controller is easy to install and offers a range of features, including accurate measurements, user input control, selectable parameters, multi-level alarms, and protection from environmental factors. The controller works by using both an ultrasonic sensor and an instrumentation detector to detect the level of the liquid and then sending a signal to the actuator to control the flow rate, pressure, temperature and level of the liquid.

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