USB HART Modem – PR Electronics 277


  • Easy installation (software driver included)
  • 1500 Vdc Opto Isolation between HART and USB circuits
  • USB 1.1 and 2.0 compatible
  • Self powered, no external power supply or batteries needed
  • Compact size 2.75” x 2.0” x 0.8” (70 x 51 x 20 mm)

Technical characteristics

  • Integral standard USB type A connector
  • Integral heavy duty HART Minigrabber connectors
  • Certified to meet HART Physical Layer Spec HCF_SPEC-54
  • 48” (1.2m) cable length
  • Easy to install Virtual Serial Port for any Windows application
  • Rugged ABS plastic enclosure with rubber boot
  • HART Modem Test Program included
  • HART Foundation Registered, Registration Number L2-06-1000-070
  • Works with DevCom2000 and DevComDroid
  • Boost feature for low resistance loops (requires DevCom2000)


PR Electronic 277 USB HART modem-DpstarGroup