Ultrasonic Radiators: Ultrasound Performance

Radiators (ultrasonic) are actively used in echo sounders. In addition, the devices are used in receivers. Modern modifications are distinguished by high frequency and have good conductivity. The sensitivity of the radiator depends on many factors. It is also worth noting that the models use terminals that affect the overall level of resistance.

Device Diagram

The standard circuit of the device contains two terminals and one capacitor. The rod is used with a diameter of 1.2 cm. The magnet for the operation of the system will require a neodymium type. At the bottom of any radiator is a stand. Condensers can be attached via an expander or terminals. The winding of the selenium is applied with a conductivity of 4 microns.

Ring modification

Ring submersible ultrasonic radiators, as a rule, are produced for echo sounders. Most models have dipole capacitors. Linings for them are selected from rubber. The overall resistance level in devices of this type is 50 Ohm. The terminals are used with the adapter and without it. In the upper part of the selenium there is a protective ring. The rod is used with a diameter of at least 2.2 cm. In some cases, the capacitors are of channel type with a protection system. The conductivity at discharge is at least 5 microns. In this case, the frequency can vary greatly. In this case, much depends on the sensitivity of the element.

Device with a yarn

The ultrasonic radiator for the humidifier with the yarn is considered very common. If we consider the standard model, then it has three capacitors. As a rule, they are used three-channel type. The total resistance level of the radiators of this type is 55 Ohm. They are often placed on echo sounders and low-frequency receivers. Also, the models are suitable for converters. Magnets are used in diameter from 4.5 cm. The supports are made of brass or steel. Conductivity at discharge is not more than 5.2 Mk.

Some modifications are used with the top location of the Yar. As a rule, it is located above the stand. Also it should be noted that there are emitters with single-pole adapters. Solenoids for them are suitable only with high conductivity. Several rings are used at the top of the device. The sensitivity at discharge is about 10 mV. If we consider modifications on resistor capacitors, then they have a total resistance level of up to a maximum of 55 ohms.

Dual winding model

Emitters (ultrasonic) with a double winding have recently been produced with an amplifier. Such devices are actively used on converters. Some radiators are made with double capacitors. Windings are used with a wide band. The rods are suitable for a diameter of 1.3 cm. The terminals must have a conductivity of at least 5 microns. The frequency of devices depends on many factors. First of all, the diameter of the rod is taken into account. It should also be noted that expanders are used with and without linings.

Radiators based on the reflector with their own hands

Of the reflectors, you can make an ultrasonic emitter yourself. First of all, a neodymium magnet is prepared. The stand is used approximately 4.5 cm wide. The outline can only be installed after the rod. Also it should be noted that the magnet is fixed on the lining and is closed by a ring.

The terminals for the device are selected with a conductor type. The conductivity during discharge should be about 6 microns. The overall resistance level for emitters of this type is no more than 55 Ohm. Capacitors are of different types. Directly the reflectors are selected with a small thickness. To install the elements you will need to use a blowtorch. The upper part of the rod is twisted on the film. In this case, it is important not to block the terminals.

Devices for echo sounders

Radiators (ultrasonic) for echo sounders have good conductivity. The diameter of the rod in the standard model is 2.4 cm. Rings, as a rule, are of a tight type. Modern models are made with conical supports. They have low weight and they can work in conditions of high humidity. The solenoids are of different diameters. In the lower part of the devices it is necessary to wind the tape. If necessary, the radiator for the echosounder can be made independently. Condensers for this purpose are of a two-channel type. If you consider the device with a rod at 2.2 cm, then the overall resistance level at it will be 45 Ohm.

Modifications for Fishermen

Emitters (ultrasonic) for the fishermen are manufactured with terminals of different conductivity. The most popular are modifications with adapters and sensitivity at the level of 12 mV. Some devices are equipped with compact single-channel capacitors. Conductivity at loading at them makes 2 microns. Magnets on the radiators are set in different diameters.

Most models are made with low stands. Also it should be noted that the devices are allocated with high frequency. The terminals have good conductivity, but in this case much depends on the thickness of the rod. In the upper part of the winding protective rings are installed. To increase the conductivity of the radiator, terminals with a sensitivity of 15 mV are used.

Low-impedance models

The ultrasonic radiator for the low- impedance air humidifier is distinguished by its compact dimensions. Windings are used in the thickness of 0.2 cm. Magnets are mounted on supports or pads. The terminals are fixed at the top of the device. The standard modification includes three capacitors.

The total resistance is not more than 30 ohms. Condensers for some models are of the two-channel type. The conductivity is approximately 2 microns. There are also modifications with large diameter rods. They are used in echo sounders. Most emitters are made specifically for converters. The clamp rings are made of rubber or plastic. On average, the diameter of the rod in the modification is 2.2 cm.

High-impedance devices

Modifications of this type are made, as a rule, for receivers. Their total conductivity level is 4 microns. Most of the devices work from the contact terminals. It should also be noted that there are devices with a sensitivity of 15 mV. Condensers on the modification are selected three-channel type. There are also resistor models. At them the general level of resistance starts from 55 Ohm. Magnets on a powerful ultrasonic radiator are installed only neodymium type. The average diameter of the part is 4.5 cm. The supports can be made with overlays or protective insulating films.

Models with unijunction capacitors

Devices of this type are capable of providing conductivity at a level of 5 microns. They have a rather high sensitivity. Rods on the ultrasonic radiator are installed with a diameter of 2 cm. Windings are only used with rings of rubber. The dipole terminals are used at the bottom of the devices. The overall resistance level at the load is 5 ohms. Condensers may be installed on the radiators through expanders. Adapters are used to extend the low frequencies.

If necessary, you can make a modification to the two capacitors. For this purpose, the terminals are installed with a conductivity of 2.2 microns. The rod is selected with a small diameter. Also it should be noted that a short aluminum alloy support is required. Insulating tape is used as insulation for the terminals. Two rings are attached to the top of the radiator. Directly the capacitors are mounted through a dipole expander. The overall resistance level should not exceed 35 ohms. The sensitivity depends on the conductivity of the terminals.