DNRT220A

Series:	NRT
Part Status:	Obsolete
Type:	Constant Level
Voltage - Supply:	220VAC
Sensitivity:	0 ~ 100kOhm
Features:	Delay Timer
Distance - Control To Sensor (Max):	91.44m
Output Type:	Relay
Contact Form:	SPDT (1 Form C)
Contact Rating @ Voltage:	10A @ 250VAC
Mounting Type:	DIN Rail
Termination Style:	Screw Terminal
Operating Temperature:	-10°C ~ 60°C
Fluid Type:	Chemical Solutions, Coffee, Ice Cream, Purified Water, Salt Water, Waste Water
Weight:	0.441 lb (200.03g)

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DNRT220A is a microwave-based level controller developed by the Siemens company. It is typically used in the automation of water level control systems, such as those found in water treatment plants, power plants, and other large industrial facilities. The main components of the DNRT220A are:

• A Microcontroller
• An Antenna Array
• An Ultrasonic Receiver
• An Output Module

The microcontroller is responsible for controlling the whole system, as it is the main computer system. It is responsible for collecting data, making decisions, calibration processing, and transmitting commands back to the level control system. The antenna array is responsible for transmitting the signal from the DNRT220A to the ultrasonic receiver, which is then processed by the microcontroller. The output module is responsible for converting the signal and delivering it as an electrical output, which can then be used to control valves and other related devices.

The DNRT220A uses a non-contact microwave-based sensor to measure the liquid levels. This type of sensor uses an integrated multifrequency microwave transceiver, which is able to detect the phase of the liquid and therefore can be used for level sensing. The signal from the sensor is then read and processed by the controller, which makes decisions based on the received data. The controller can also be configured to use different measurement thresholds in order to control the water levels in the system automatically.

The DNRT220A is a very reliable device for level control as it does not require any maintenance, and can be used in a variety of different environments. Since it is non-contact, it can be used with any type of conductive liquid, eliminating the need for manual calibration or regular maintenance of the sensors. Additionally, the DNRT220A can be used to provide very accurate and reliable feedback on the levels of liquids. This makes it ideal for applications where exact measurements are needed, such as in power and water treatment plants. Additionally, it is easy to integrate the DNRT220A into existing systems, since it uses standard protocols and is easily compatible with most systems.

Overall, the DNRT220A is a reliable and robust level controller that can be used in a variety of applications. With its high accuracy and non-contact detection, it can provide reliable feedback on liquid levels without requiring any regular maintenance. Additionally, it is easy to integrate into existing systems and can be used to control water levels in automated systems. as well as to provide accurate measurements for a variety of industrial applications.

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