Advantages and disadvantages of laser barcode scanners

Laser bar ode scanner is relatively expensive among various barcode scanner, but they offer the highest range of scanning functions and so it widely used in various industries. We will list advantages and disadvantages from the working principle, scanning method, as follows:

First, the working principle of laser barcode scanner:

A hand-held laser scanner emits a light beam through a laser diode, and a rotating prism or a oscillating mirror is irradiated through a laser diode. The reflected light enters the surface of the barcode through a reading window, and the light passes through a long or empty reflection and is returned to the code reader. It is collected and focused by a mirror and converted into an electrical signal by a photoelectric converter. This signal will be decoded by the scan cycle or the decoding software.

Second, the classification of laser barcode scanner:

Laser scanners can be divided into handheld and fixed. The handheld laser scanner is easy to connect, simple and flexible to use. The fixed laser scanner, also known as the laser scanning platform, which is suitable for the largest reading and small barcodes,in that way effectively liberating both hands.

Third, the advantages and disadvantages of laser barcode scanner:

advantage:

1) The laser scanner is a non-contact scanner. The laser scanner is the only choice when the reading distance exceeds 30 cm. 2) The laser scanning barcode has a wide density range and can read an irregular barcode on glass or scotch tape. Because it is non-contact reading, reading operation will not damage the barcode label;

3) Because of the advanced reading and decoding system, the first reading recognition has a high success rate, the recognition speed is faster than the light pen or CCD scanner, and the bar code recognition more better on effect of the printing quality is not good or fuzzy;

4) The bit error rate is extremely lower (only about one in three million); the laser scanner has good anti-shock and anti-drop performance.

Disadvantages: The price of the laser barcode scanner is relatively high, but from the sum of the purchase cost and the cost of use, there are not many laser scanners and red scanners.

The above informations are from the barcode scanner working principle to advantages and disadvantages. So many friends started to spend lot time when purchase. They were worried low scanner price and the quality could not be guaranteed. However, they were worried high scanner price and they were afraid of exceeding the budget. In fact, when you choose a barcode scanner, you don't need to care too much about price and brand.Because it is affected by market competitiveness. The laser scanners price also has a certain impact, and the market price is also very strong online, from a few hundred to thousand. So you only need to choose the laser barcode scanner can reach your requirement.