Editorial Technical Reference

Barcode Scanner

This page explains how Barcode Scanner is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

An optical device that reads and decodes barcode information for identification and tracking purposes.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Barcode Scanner

Definition
The barcode scanner is a component used in machinery and equipment manufacturing, specifically within container identification systems. It captures barcode data from containers, enabling automated identification, inventory management, and logistics tracking throughout the supply chain. The device operates by illuminating the barcode with a light source, typically a laser or LED, and then using a photosensor to detect the reflected light pattern. This pattern is converted into electrical signals and decoded into digital data representing the encoded information. The scanner is typically constructed with ABS plastic, polycarbonate, and optical glass, offering durability and optical clarity. Key parameters include a scanning distance of 0–300 mm, a scanning speed of 100–1000 scans per second, and a resolution of 0.127–0.25 mm. The depth of field ranges from 0–300 mm, and the operating temperature is -20 to 50 °C, with storage temperature from -40 to 70 °C. Humidity tolerance is 5–95% RH (non-condensing). The ingress protection rating is IP54–IP65 per IEC 60529, indicating dust and water resistance. Supply voltage is 5–12 V DC, with power consumption of 1–2.5 W. Common interfaces include USB, RS-232, and PS/2. Handheld models weigh 100–200 g. These values are typical ranges and must be verified for the specific model and application. The scanner is not a standalone product but a component that requires integration into a larger system. For procurement, confirm model-specific specifications and standards with the legal manufacturer or supplier. Regular maintenance includes cleaning the optical window and checking cable connections. Read failures may occur outside the specified depth of field or temperature range, or if the barcode is damaged or obscured.
Working Principle
The barcode scanner uses a light source (laser or LED) to illuminate the barcode. A photosensor detects the reflected light pattern, which is then converted into electrical signals. These signals are decoded into digital data representing the encoded information. The scanner's optics and sensor work together to capture the barcode's contrast pattern, enabling accurate reading.
Common Materials
ABS plastic, Polycarbonate, Optical glass
Technical Parameters
ParameterTypical rangeNotes & selection driver
Scanning Distance0–300 mmTypical range for 1D/2D scanners
Scanning Speed100–1000 scans/sHigher speed for high-throughput lines
Resolution0.127–0.25 mmMinimum barcode element width
Depth of Field0–300 mmRange for reliable reading
Operating Temperature-20–50 °COutside range may cause read failures
Storage Temperature-40–70 °CNon-operating condition
Humidity5–95 % RHNon-condensing
Ingress ProtectionIP54–IP65Dust and water resistanceIEC 60529
Supply Voltage5–12 V DCTypical USB or serial powered
Power Consumption1–2.5 WDepends on illumination and decoding
InterfaceUSB, RS-232, PS/2Common connectivity options
Weight100–200 gHandheld models

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Laser Diode Part
    Generates the scanning laser beam
    Material: Gallium arsenide
  • Photosensor Part
    Detects reflected light from barcode
    Material: Silicon
  • Decoding Circuit
    Processes signals and converts to digital data
    Material: Printed circuit board
  • Housing Part
    Protects internal components
    Material: ABS plastic
  • Scanning Optics
    Focuses the beam onto the barcode and gathers the reflected light onto the photosensor.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric (non-pressurized)
other spec: Reading distance: 5-500 mm, Scan rate: 100 scans/sec max
temperature: -20°C to +50°C (operating), -40°C to +70°C (storage)
Media Compatibility
✓ Retail packaging labels ✓ Manufacturing part labels ✓ Warehouse inventory tags
Unsuitable: High-vibration industrial environments (e.g., heavy machinery assembly lines)
Sizing Data Required
  • Required barcode symbology (e.g., QR, Code 128)
  • Minimum barcode size/density
  • Required scanning distance range

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Laser diode degradation
Cause: Thermal stress from continuous operation and environmental contaminants affecting optical components
Scanning mechanism failure
Cause: Mechanical wear of moving parts (e.g., oscillating mirror, motor) due to friction, dust accumulation, or physical impact
Maintenance Indicators
  • Inconsistent or failed scanning despite proper alignment and clean surfaces
  • Visible damage to the scanning window or audible grinding/clicking noises during operation
Engineering Tips
  • Implement scheduled cleaning of optical surfaces using approved lens wipes and compressed air to prevent dust buildup
  • Establish usage protocols to avoid continuous scanning cycles and provide cooling intervals to reduce thermal stress on electronic components

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO/IEC 15416:2016 - Barcode print quality test specification ANSI MH10.8.2-2016 - Data Identifier and Application Identifier Standard CE Marking - EMC Directive 2014/30/EU and Low Voltage Directive 2014/35/EU

Quoted from the published standard.

Manufacturing Precision
  • Scan angle tolerance: +/- 30 degrees from perpendicular
  • Decode distance tolerance: +/- 15% of specified optimal range
Quality Inspection
  • Barcode Decode Performance Test (using ISO/IEC 15416 test cards)
  • Environmental Durability Test (drop, vibration, temperature cycling)

Manufacturers of Barcode Scanner

2 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

HAIDA
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Silergy
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

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Frequently Asked Questions

What is the scanning distance range?

The typical scanning distance is 0–300 mm, but this can vary by model. Always verify with the manufacturer.

What interfaces are available?

Common interfaces include USB, RS-232, and PS/2. Confirm compatibility with your system.

What is the operating temperature range?

The operating temperature is -20 to 50 °C. Outside this range, read failures may occur.

Is the scanner waterproof?

The ingress protection rating is IP54–IP65 per IEC 60529, indicating dust and water resistance. Verify the exact rating for your model.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.
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