Principles of Operation, General | Omega Speaker Systems LVU-260

2PRINCIPLES OF OPERATION

The Level switches operates using ultrasonic sound wave propagation. Ultrasonic sound waves are greatly attenuated when transmitted through air. Conversely, when liquid is present, transmission of the sound waves is greatly enhanced. The electronic control unit, either integral or remote to the sensor, generates electrical signals that are converted to bursts of ultrasonic energy at the sensor. The ultra- sonic bursts are transmitted across the liquid sensing gap of the sensor. Upon receipt of a valid signal at the receiver, the solid state electronics generate a “data enable” condition indicating liquid is present. This signal energizes a relay and\or provides3an output condition.

INSTALLATION

GENERAL

All units are easy to install. A sensor with an integral electronic control unit or a sensor with a remote control unit can be mounted in any position or orientation desired.

Make sure that all wiring, conduit and electrical fittings conform to local electrical codes for the location selected.

VISUAL INSPECTION

Unpack the control unit and sensor assemblies. Visually inspect them for any damage. Advise Cosense immediately if either assembly is damaged.

PRELIMINARY OPERATIONAL CHECK

Before installing the unit, a simple operational checkout should be performed as follows:

WARNING: In a hazardous environment never open the housing cover or con- nect the power leads without first disconnecting the electrical power at its source.

1.Fill a container with liquid.

2.Open the control unit housing cover and connect the power to the control unit (see appropriate wiring diagram for your unit).

3.Apply power from the source.

4.Place the sensor in the liquid. The relay should energize, or output will switch to 20.0±1.0mA.

5.Remove the sensor from the liquid. The relay will de-energize or output will switch back to 4.0±1.0mA indicating that the system is functioning properly. If you do not experience the results indicated in Steps 4 and 5, contact Cosense immediately.

6.Disconnect the power to the control unit.

7.Proceed to final installation.

For Ultrasonic Point Level Switches	5

LVU-230, LVUC10, LVU-260 specifications

The Omega Speaker Systems LVU-260, LVUC10, and LVU-230 are exemplary audio solutions that stand out in the competitive landscape of sound systems. These speakers are designed to deliver a powerful audio experience, making them ideal for a variety of settings, from home theaters to professional audio applications.

The LVU-260 is a high-performance, two-way speaker known for its impressive sound clarity and robust construction. It features a 6.5-inch woofer that provides deep bass response, while the 1-inch silk dome tweeter ensures crystal-clear high frequencies. The LVU-260 is equipped with an innovative frequency crossover that allows seamless integration between its components, resulting in a well-balanced sound profile. With a power handling capacity of up to 150 watts, it can be used in larger spaces without compromising audio quality.

On the other hand, the LVUC10 offers versatility and convenience with its compact design. This speaker is particularly popular for smaller living spaces and portable applications. The LVUC10 features a 5-inch woofer and a 1-inch tweeter, achieving a compelling sound signature that belies its size. It incorporates advanced technologies such as a built-in digital amplifier, which maximizes efficiency while providing a dynamic range that can adapt to varied listening environments. Its lightweight and compact design make it easy to position and set up, making it an excellent choice for on-the-go audiophiles.

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