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Black handheld linear imager barcode scanner with red LED illumination

Datalogic

Datalogic QW2120-BK barcode scanner 1D linear imager USB black

SKU CH-72AF-ADT91 MPN QW2120-BK

Handheld 1D linear imager scans standard barcodes at 400 reads per second via USB with patented Green Spot feedback

  • Form FactorHandheld
  • ConnectivityCorded
  • Scan Engine1D Linear Imager
  • Interfaces SupportedUSB
  • Light SourceRed LED 610-650 nm
  • Resolution4 mils
  • Lightweight at 0.26 lb for comfortable all-day use
  • Reads 1D codes at up to 400 scans per second
  • Wide ±65° pitch and ±70° yaw angles capture codes from many positions
  • Green Spot patent gives instant visual confirmation on every good read
  • USB interface draws power from the host with no external supply needed

Entry-Level 1D Linear Imager

The Datalogic QW2120-BK is a new handheld barcode scanner built for retail, light manufacturing, document processing and banking environments. Its linear imager engine reads all standard 1D codes including GS1 DataBar and major postal symbologies. The corded USB interface provides a direct 5 VDC connection to a host system.

Patented Green Spot Feedback

A bright green spot projected on the code confirms a good read without audible beeps, useful in quiet or noisy settings. The scanner decodes at 400 reads per second with a minimum 25% print contrast ratio. The thinner, brighter scan line captures long or truncated bar codes at wide angles without increasing distance.

Scanner Only, Cable Sold Separately

This unit ships without a cable; a compatible USB cable must be sourced separately for operation. The scanner weighs 0.26 lb and measures 6.70" x 2.50" x 2.70". Pitch, roll and yaw tolerances of ±65°, ±45° and ±70° allow flexible presentation scanning.

Highlights

  • Lightweight at 0.26 lb for comfortable all-day use
  • Reads 1D codes at up to 400 scans per second
  • Wide ±65° pitch and ±70° yaw angles capture codes from many positions
  • Green Spot patent gives instant visual confirmation on every good read
  • USB interface draws power from the host with no external supply needed

Specifications

BrandDatalogic
ModelQW2100
Part NumberQW2120-BK
Form FactorHandheld
ConnectivityCorded
Scan Engine1D Linear Imager
Interfaces SupportedUSB
Light SourceRed LED 610-650 nm
Resolution4 mils
Depth of Scan FieldMinimum distance determined by symbol length and scan angle.
Printing resolution, contrast, and ambient light dependent.
5 mils : 2.5 to 15.0 cm / 1.0 to 6.0 in
7.5 mils : 0 to 24.0 cm / 0 to 9.4 in
10 mils: 0 to 35.0 cm / 0 to 13.8 in
13 mils: 0 to 40.0 cm / 0 to 15.7 in
20 mils: 0 to 60.0 cm / 0 to 23.6 in
Pitch±65 degree
Roll±45 degree
Yaw±70 degree
Scan Speed400 reads/sec
Print Contrast Ratio (Minimum)25%
Input Voltage5 VDC ± 5%
ColorBlack
Dimensions6.70" x 2.50" x 2.70"
Weight0.26 lb.
FeaturesDecoding Capability
1D / Linear Codes: Autodiscriminates all standard 1D codes including GS1 DataBar linear codes
Postal Codes: Australian Post; British Post; Canadian Post; China Post; Japanese Post; KIX Post; Korea Post; Planet Code; Postnet; Royal Mail Code (RM4SCC)
Stacked Codes: EAN/JAN Composites; GS1 DataBar Composites; GS1 DataBar Expanded Stacked; GS1 DataBar Stacked; GS1 DataBar Stacked Omnidirectional
Environmental
Ambient Light: 100,000 lux
Drop Resistance: Withstands repeated drops from 1.5 m / 5.0 ft onto a concrete surface
ESD Protection (Air Discharge): 16 kV
Humidity
Drop5 feet
Shipping weight0.23 kg
Package size229 × 203 × 102 mm

Questions about this item

Will the scan window on this QW2120-BK need cleaning or replacement over time?

The linear imager uses a red LED at 610-650 nm with no moving parts, so only the external window may need occasional wiping.

What limits continuous scanning on the QW2100 imager?

It reads at 400 scans per second and requires a minimum 25% print contrast ratio, so low-contrast or damaged codes stop reads first.

How much heat or noise does the QW2120-BK produce when running all day?

It draws 5 VDC ± 5% from the USB port with no fan, so heat and audible noise are negligible during extended use.

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