Infrared illuminator: specifications and reviews about the best models

At the design stage and the installation of video surveillance systems, attention is paid to providing video in low light conditions. For realization of night video shooting different devices are used, among them the infrared illuminator. . The most popular infrared LEDs used to create a backlight for cameras, they provide a wavelength in the range from 790 to 950 nm .

Today, you can find different parts of the infrared spectrum that help solve specific problems. For example, in infrared projectors devices with a wavelength of 790-830 nm are used. For qualitative hidden video recording at medium and short distances, the parameter 930-950 nm should be used. The most popular range of length, which is used in night cameras, is the limit of 850-900 nm. It has a sufficient range of detection, and radiation is almost imperceptible.

Basic characteristics of infrared projectors

The infrared illuminator should be selected according to the main features, among which:

• Angle of illumination;
• Length of the emitted wave;
• Effective range;
• Power consumption.

If we are talking about the lighting sector, then we need to consider the parameters of the angle of coverage, which depend on the lens of the device. The range depends on the angle. At a smaller angle, the flow range will be longer, this also applies to detection. As a rule, external instruments have a focused beam in the central sector. This intensity decreases almost to zero.

Street camera with infrared illumination can work qualitatively, if the angle of illumination is more or equal to the viewing angle. To do this, use different methods, one effective is to use several sources with different focus. If you choose the infrared illuminator, then as an example in this case you can consider the MVK-81 device from "ByteErg", which has a block of a pair of spotlights with interchangeable lenses. They guarantee a range of 40 m, and the angle of illumination will be equal to 30 °.

Reviews about the camera MVK-81

Choosing infrared searchlight, you can pay attention to the model mentioned in the subhead. Consumers purchase it for the reason that it has a robust case and is an analog camera providing a color image. Inside there is a lens, and the device itself is designed for operation both inside and outside the premises. Users argue that the feature of this model is a high resolution, as well as the presence of two modes of "day" and "night."

Characteristics of detection range

The detection distance is the distance from which the device is able to fix unauthorized penetration. The parameter depends on the power of the infrared radiation and the sensitivity of the device. The detection range can be increased by adding new sources of infrared radiation to the device . After the saturation limit is reached, increasing the number of diodes will not allow achieving a positive result. Based on the range of effective detection, you should choose an infrared spotlight for video surveillance, which has external IP cameras and backlighting, which guarantees the sensitivity of the matrix.

Characteristics of the radiation flux strength

This indicator is quantitative and characterizes the intensity of the radiation flux, it falls on the solid angle. The parameter in Watts is expressed on the steradian, which is as follows: W / Ster. It is important to take into account that the length of the wave radiator is not so effective at the same intensity of radiation with short-wavelength radiation, this is explained by their low efficiency.

Reviews about the technical solutions of infrared illuminators

When consumers select an infrared spotlight, they pay attention to a variety of technical variations. Such devices are made on the basis of halogen sources, the light flux of which is blocked by a light filter. These sources differ in certain indicators, among them:

• Increased range of lighting;
• Wide power range;
• The radiation wavelength limit is from 730-850.

With regard to power consumption, it can be in the range of 30-300 watts. But if we are talking about the average range of lighting, then it should be mentioned that this figure is 100 m or more. Consumers also note the main shortcomings, which are expressed in a minimum period of operation and a high price for halogen lamps.

Infrared PIK floodlights can have solid-state lighting sources that use special diodes as a generator. The main advantages of using are:

• Low power consumption;
• Compact dimensions;
• High power;
• Light weight.

Reviews about the projector PROvision PV-LED30C

If you need an infrared spotlight (cameras), then you can get acquainted with the features of the model, it was mentioned in the subtitle. This device can be used in open areas if it is necessary to provide illumination for impressive distances. The body is made of aluminum alloy, this, according to users, is a clear advantage. The range of illumination reaches 30 m, and the angle of illumination is 30 °. The number of diodes is 6, and the wavelength is 850 nm.

Consumers note the compact size. Dimensions are limited by the following parameters: 147 x 77 x 87 mm. Weighing equipment is only 520 g, the body is made in black, and the device itself has power in the range from 18 to 20 W. Illumination infrared (searchlight) can be used for a wide range of temperatures in the range from -40 to +60 ° C.

Reviews about the spotlights PIK-41 and PIK-42

In the first case we are talking about a device whose wavelength is 850 nm, the radiation angle is 30 °, and the power range can vary from 9 to 16 V. The device has built-in protection against voltage drops. According to users, the searchlight brand PIK-2 has many similar qualities with the model described above. These devices have the same cost, and it is limited to 3550 rubles. The same can be said about the power supply range. However, the second device can function even at 8 V. Both devices have an effective protection against impulse voltage fluctuations, which can occur when the equipment is turned on.

Scope of use

Infrared LED spotlight can be used in street cameras, domed and open-frame night vision devices that have day-night functionality. Their matrix perceives light in the infrared range. Devices usually have a mechanical, automatic or software filter, which eliminates exposure to reflected light. It should be mentioned that the radiation from the camera will be black and white.

These projectors are used to amplify cameras with night vision when controlling objects with limited illumination. It can be cinemas, warehouses, office, industrial premises and so on. It will take such lights to protect the perimeter of the walls with an impressive length. Irreplaceable devices when using an open source of lighting, which can be blinded by the participants in the movement. Installation of hidden video surveillance necessarily assumes the presence of infrared illuminators.

Features of different types of infrared projectors

According to the technology of installation, the described devices can be divided into integrated and separate. The most multi-purpose and powerful are infrared projectors, which are equipped with motion sensors. These devices are characterized by increased power consumption, which reaches 20 A, while in the projector there is a power supply in 12-24 V. On sale, you can find devices for lighting dome cameras. Some devices used in offices do not have the functionality for night surveillance. To convert a conventional device into a dome camera, this kind of backlight is used.

Conclusion

Recently, infrared web cameras have been made, which also have a night vision function. This addition allows you to achieve high-quality images with reduced lighting. In addition, it has additional capabilities. The most useful can be considered the possibility of the device to be connected to the alarm system in the home environment. The most convenient and popular are cameras with wireless communication, as they can be installed anywhere in the apartment.