Mail Verifier Plus (MVP)

Affordable Mailpiece Quality Control

The Mail Verifier Plus (MVP) from Fluence Automation is a portable desktop hardware device that, coupled with a user-supplied computer, uses advanced digital imaging and barcode analysis software to analyze and verify mailpiece compliance with USPS® DMM® barcode, reflectance and contrast ratio standards before a mailing is completed. By sampling individually selected pieces within a mailing, the MVP provides reassurance that a job will meet postal readability specifications prior to USPS acceptance tests—allowing for in-line changes, without having to repeat an entire job. Derived from the ERM-III and MERLIN® technology developed for use by the Postal Service™, the Fluence Automation MVP is the only commercially available product able to perform a full range of MERLIN-compliant barcode and reflectance validation checks.

Key Features

  • Uses established USPS® criteria to deliver reliable on-demand confirmation of a mailpiece’s compliance with DMM® barcode, reflectance and contrast ratio standards
  • Measures envelope print reflectance and contrast ratios
  • Assesses and verifies Intelligent Mail® barcode quality and predicts barcode acceptance
  • Fast, easy-to-read reporting enables quick identification of pass/fail results in active mailings
  • Small footprint and easy portability allows for testing in multiple locations and responsive on-the-fly performance
  • Provides an invaluable early opportunity to adjust a mailing as needed, while avoiding significant cost overruns or delivery delays

Common Specs

  • Size: 21"L x 9"H x 9"W
  • Weights: 12 lbs (NB version 14.5 lbs)
  • Camera: High-resolution 330 dpi
  • Light: White LED source
  • Interface: USB
  • Power Supply: VDC
  • Power: Wall or battery

Standard Functions

  • Barcode readability (Intelligent Mail)
  • Barcode quality assessment (Intelligent Mail)
  • Background reflectance (BR)
  • Print reflectance (PR)
  • Print reflectance difference (PRD)
  • Print contrast ratio (PCR)


  • Mail Verifier Plus - NB: An economical light-weight standard functional unit
  • Mail Verifier Plus: A standard functional unit that is battery=powered and has an incline stand for pressing large flat size mailpieces


  • Carrying case
  • Cleaning kit
  • Hard shipping case

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