What is the difference between linear and laser barcode scanners?

Difference Between Linear and Laser Barcode Scanners

Understanding the difference between linear and laser barcode scanners is critical for businesses looking to optimize their operations. Below is a detailed comparison.

Linear Barcode Scanners

Also known as CCD (Charge Coupled Device) scanners, linear barcode scanners are designed to capture barcodes by taking an image of the barcode and then decoding each bar and space. Unlike laser scanners, they do not use laser technology.

Advantages

• Better for scanning barcodes at close range.
• Can read barcodes from surfaces that are curved, highly reflective, or even screens.
• Typically more durable and resistant to physical damage than laser scanners.

Disadvantages

• Generally, have a shorter scanning range compared to laser scanners.
• Cannot scan barcodes from a distance.
• Less effective in scanning poorly printed or damaged barcodes.

Laser Barcode Scanners

Laser barcode scanners use a laser beam as the light source and typically employ a reciprocating mirror or a rotating prism to scan the barcode symbol across its width. They are known for their precision and ability to read barcodes from a distance.

Advantages

• Capable of scanning barcodes from longer distances, sometimes up to several feet away.
• Can easily read barcodes of higher density.
• More effective in scanning barcodes in poor conditions, such as low light or barcodes that are faded, dirty, or damaged.

Disadvantages

• Can be more expensive than linear barcode scanners.
• May struggle with reading barcodes on shiny or reflective surfaces due to the reflectivity affecting the scanning accuracy.
• Generally, have a narrower scanning width, potentially requiring more precise alignment with the barcode.

Comparison Table

In summary, the choice between linear and laser barcode scanners depends on the specific needs of your operations. Consider factors such as the scanning distance required, the types of surfaces you'll be scanning, the condition of the barcodes, and your budget when making a decision.