November 22, 2018

Factors affecting the price of infrared thermal imaging camera

1, the lens (objective lens)

The lens acts primarily as a light filter that allows only certain wavelengths of infrared light to pass through.

The lens materials mainly include antimony and zinc sulfide, both of which are relatively expensive, which greatly affects the price of the thermal imager, just like the lens of a camera is expensive.

2, Zoom lens: Larger size and higher cost.

There are two main types of focal plane (detector) materials: 1. Polysilicon 2. Vanadium oxide

The detector belongs to the high-tech products. The technology is mainly in the hands of France and the United States. Due to technical protection, the detectors produced abroad are generally restricted or exported.

3. Circuit

The superiority of the thermal imager circuit is mainly reflected in whether or not there is no-slice automatic verification technology. Due to the temperature control of the board, the products that are behind are used with the flaps (baffles). The use of the baffle will cause the screen to pause, which is very inconvenient to use, and the impact of the flap will also result in poor circuit connection stability.

4. Monitor

The traditional online thermal imager sends the temperature information to the computer and other carriers through software. The handheld thermal imager will have its own LCD touch screen, and the thermal imaging night vision device can be equipped with some external display screens to project the image.

The basic factors affecting the price of thermal imaging cameras, in addition to the increase in functionality, the components of the device, in fact, also derived from the most basic performance and parameters. Different parameters can achieve different working effects.

1. Resolution and pixels

Resolution and pixel are actually an indicator, which is also an important factor affecting the thermal imager. The higher the resolution pixel, the higher the theoretical price. If the function is divided, the machine gap of this grade is still very large. Careful comparison is required when purchasing.

2. Frame rate

The frame rate is the main factor affecting the price of the infrared camera. The meaning of the frame rate is the number of images captured by the infrared camera per second. The higher the frame rate, the higher the capture accuracy, the more accurately it can be displayed, and the more consistent the image quality

3. Temperature measurement method

The biggest use of infrared cameras is summarized in two points: night vision and temperature measurement. In the general thermal imaging night vision device application needs only imaging, there is no requirement for temperature measurement, the price is relatively low; and in the traditional industries such as industry, electricity, etc., the temperature measurement accuracy, high and low temperature requirements are high, In the later part, software analysis support and SDK secondary development are required, and the price is slightly higher.

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