61F-D21T-V1 24VAC/DC

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The 61F-D21T-V1 24VAC/DC controllers are designed to measure and monitor liquid levels, to detect overflow, falling or raising level states, or accurately measure and record liquid levels over time. This type of controller is suitable for a large variety of applications, such as industrial tank liquid levels, water and oil tanks, laboratory tanks etc. It is easy to install, set up and use, and offers reliable and stable measurement. A wide range of accessories can be used to customize the controller and further optimize performance for specific applications.

The 61F-D21T-V1 controllers are based on a differential pressure sensing principle for sensing the fluid/liquid level. Generally the pressure transducer or level transmitter is installed at the bottom of the tank. The change in liquid level in the tank causes a corresponding change in the pressure sensed by the level transmitter and this is translated into a current or voltage signal. The 61F-D21T-V1 controller receives this signal and compares it with the set points and depending on the application, it can control the shutting or opening of a valve or another output device.

The 61F-D21T-V1 24VAC/DC controllers feature a wide range of adjustable functions, for instance, it allows for the flexibility in setting and storing various thresholds, adjustability in alarm time delay, alarm output latching and more. It has a selectable alarm action for high and low level alarms (NO/NC/F/T) and the low level alarm can be set below the zero level of the tank. It also has selectable operation modes such as single/repeating, latching/unlatching, cycle/up-down and delay time for settings from 0~60 minutes. These features and functions make it suitable for a wide range of applications.

The 61F-D21T-V1 has two output relays, with one dedicated for the low level alarm and another for the high-level alarm. The controller is also equipped with two digital inputs, two programmable analog outputs (4-20mA or 0-10V), and four relays for controlling external devices. It can be operated in either normally open or normally close mode and works with a wide range of sensor types, from pressure, differential pressure, level probes and conductivity transmitters.

The 61F-D21T-V1 is an ideal choice for liquid level and overflow monitoring as well as level measurement and control applications. Its wide range of adjustable features and functions make it highly flexible and suitable for many different applications. It can easily be connected to a variety of input sensors and output devices, such as valves, pumps, actuators, and alarms. It is a robust, reliable and easy to use system that offers a reliable and accurate level monitoring solution for a variety of industrial and domestic applications.

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