Application Case Studies

ESD Conversion of Handheld Barcode Scanners

Turning high-touch scanning devices into stable ESD-safe tools for production stores, WIP tracking, and dispatch.

ESD conversion of handheld barcode scanners for controlled electronics areas

Handheld barcode scanners are used constantly in electronics stores, kitting, WIP movement, and dispatch. They are frequently handled, moved across zones, and placed near sensitive devices—making them a common, overlooked source of uncontrolled static risk.

1) The problem

  • High-touch plastic housings can charge during repeated handling.
  • Devices are carried between areas, making the risk hard to trace.
  • Audits often focus on benches and flooring, not handheld tools.
  • Replacing scanners with “ESD models” is expensive and rarely standardised.

2) The substrate

Typical scanner housings are ABS/PC blends with textured surfaces, grips, and moulded edges. These shapes and textures make it difficult to control static behaviour using wipes, sprays, or temporary treatments.

3) Why replacement is not viable

  • Scanner fleets are large—replacement is a high cost.
  • Downtime affects traceability, WIP flow, and dispatch accuracy.
  • Even “ESD-safe” devices still need verification and maintenance.

4) The ProShieldESD conversion approach

  • Convert the external housing surfaces to controlled ESD behaviour.
  • Target high-contact zones: grips, sides, trigger areas, and resting faces.
  • Maintain usability: coatings are designed to remain serviceable and maintainable.

The goal is not to change the device function—it is to make the surface behaviour predictable in ESD-controlled environments.

5) Performance outcome

  • Reduced charge build-up during repetitive handling.
  • More predictable behaviour near benches, test stations, and packing areas.
  • Improved consistency versus temporary wipes or anti-static sprays.
  • Serviceable finish—local touch-up is possible when needed.

6) Standards alignment

The conversion supports facility ESD programmes by improving surface behaviour for items used inside EPAs (ESD Protected Areas). Verification can be aligned to common facility practices under IEC 61340 and ANSI/ESD S20.20.

  • Handheld scanners are high-touch, high-movement, and often overlooked in ESD audits.
  • Conversion avoids replacement and supports consistent ESD handling behaviour.
  • Results are more stable than temporary sprays or wipes.
  • Serviceability matters—touch-up capability reduces lifecycle cost.