DNR220A

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The DNR220A is a two-wire digital level controller used for measuring and controlling liquid level. It is designed to handle large volumes of liquid, and is capable of connecting with both single point and multiple point systems. The DNR220A can be used in a wide variety of applications, such as controlling boiler feedwater, boiler circulation pumps, and water treatment systems. It is also useful for controlling water reservoirs, atmospheric tanks, sump pumps, and centrifugal pumps.

The DNR220A uses an advanced two-wire sensing technology to measure the liquid level. It is powered by two independent power sources, one for the display and one for the pressure sensing system. The pressure sensing system has a range of 0-50 psi, and the display can be used to display the current liquid level, as well as other parameters such as switch or pump settings.

The DNR220A has two main components: a probe and a controller. The probe is inserted into the liquid and has two sensors. The first is a pressure sensor which measures the pressure of the liquid and sends this data to the controller. The second is a float switch which senses the level of the liquid. The two sensors work together to measure the liquid level and adjust the controller accordingly.

The controller receives the data from the probes and processes it to determine the current liquid level. The controller then takes the appropriate action depending on the programmed settings. It can be programmed to turn pumps on and off, activate alarms, or even switch valves. Once programmed, the controller will continually monitor the level of the liquid and take the necessary actions until the specified level is reached.

The DNR220A is a reliable and easy-to-use device that can provide accurate level control for a range of applications. It is capable of measuring large volumes of liquid, and is suitable for remote operation. With its two-wire operation, the DNR220A is a cost-effective solution for controlling and monitoring liquids.

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