PortaDot 50-25

The Pryor PortaDot 50-25 is a versatile, lightweight handheld marking machine with a marking window of 50mm x 25mm. It provides a fast and portable method of dot-peen marking, otherwise known as dot marking. Ideal for marking permanent alphanumeric, logo or 2D barcode information onto high variety, immobile, large or heavy components.

  • Ideal for asset labelling and security marking
  • Often used in rail, oil and gas/pipeline, casting/forging, VIN marking, and construction applications
  • Extended Face Mask available for difficult to reach marking locations
  • Supplied with Pryor’s 4000 Controller, with a battery powered version available for increased mobility
  • Fully compatible with Pryor’s PC based Traceability Software
  • The standard machine is supplied with:
    • 1x flat mask
    • 1x V-mask
    • 3m cable
    • Mains powered controller


  • Portable, Lightweight Dot Peen Marking Machine
  • 50mm x 25mm marking window
  • Comes with Pryor’s 4000 Series Controller as standard
  • Fully compatible with Pryor’s PC based Traceability Software
  • Suitable for engraving identification marks, logo or 2D barcode information
  • Can permanently mark most engineering materials up to a maximum hardness of 62Hrc
  • Standard Character Sizes: 0.19mm – 49.9mm in increments of 0.19mm (5×7 font) or 0.25mm (7×9 font)
  • Dimensions: 245mm(H) x 176mm (W) x 214mm (L)
  • Weight: Marking head/cable: 2.3kg
  • Drive Mechanism: lead screw
  • Cable length: 3m standard (6m or 10m optional)
  • Dot Mark output styles: 5 x 7,7 x 9,Varidot, 2D Data Matrix, HPGL, BMP Logos
  • Controller connectivity options: 1 x RS232, 1 x USB (that has the option of being removed to create 2 x RS232) and digital I/O (8 in 6 out) connectivity. Optional Ethernet TCP/IP and optional Field Bus
  • Controller memory capacity: up to 9000 layouts
  • Controller features industrial grade 10.4 inch touchscreen with additional option of connecting an external keyboard
  • On screen mark preview and trial run features
  • Controller dimensions: 375mm x 335mm x 132 mm
  • Controller weight: 6.5kg
  • Power supply: AC Input 50/60Hz; 100-240VAC
  • Optional battery powered controller: 36V Li-Ion 3.0Ah/108Wh battery