Mantra MELO31 Optical Fingerprint Scanner

MELO31 Optical Fingerprint Scanner: Optimum Security, High Precision

The MELO31 is a versatile and FBI PIV-certified optical FAP30 capture area fingerprint scanner, delivering precision, speed, and convenience with its large platen area (20.32mm x 25.40mm). Equipped with advanced features like latent detection, lower false acceptance rate (FAR), and false recognition rate (FRR), along with MINEX compliance embedded extractor support, it meets the demands of applications requiring optimal security and high accuracy.


  • Speedy Scanning: Offers swift fingerprint scanning for efficient identification processes.
  • High Precision: Captures biometric data with exceptional precision.
  • Durable: Backed with a rugged and scratch-free sensor, ensuring durability and longevity.
  • USB 2.0 High-Speed Interface: Enables seamless integration with compatible devices.
  • Easily Integrates: Perfectly integrates into a wide range of industries for identification, verification, and authentication.


  • Scratch-Free Optical Sensor: Ensures high-quality fingerprint scanning.
  • FBI PIV Certificated: Certified by FBI PIV for reliable performance.
  • Lower FRR and FAR: Achieves lower False Rejection Rate (FRR) and False Acceptance Rate (FAR) for enhanced accuracy.
  • Latent Fingerprint Detection: Enhanced security with latent fingerprint detection.
  • MINEX III Certified Algorithm: Utilizes a high-performing fingerprint algorithm with MINEX III certification.
  • NIST Compliance WSQ/JPEG Image Compression: Supports NIST compliance WSQ/JPEG Image compression standard.
  • ISO/IEC 19794-2:2005/2011 & ANSI INCITS 378-2004: Complies with Biometric Data Interchange Format standards.
  • Capture High-Quality Image: Works effectively with Dry, Moist, Wet, or Rough fingerprints.
  • IP65 Rating: Water and dust protection make it suitable for outdoor applications.

The MELO31 stands as a reliable solution, ensuring secure and accurate biometric data capture for diverse industry applications.


    Sensor Parameters Specification
    Fingerprint Sensor Type Scratch-Free Optical Sensor
    Pixel Resolution 500 DPI +/- 2%
    Platen Size 20.32mm x 25.40mm
    Image Size 400 x 500
    Image Grayscale 256 (8-Bit Gray Level)
    FRR & FAR < 0.1% & < 0.001%
    Maximum Acquisition Time (Placement to Template) < 2 sec
    Capture Mode Auto Finger detection functionality & Auto capture with built-in quality check (incorporates NIST quality considerations) & Support 360 Degree Fingerprint Rotation
    Latent Finger Detection Yes
    Light Source RED LED


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