Tachometr z ExView® App – Extech RPM250W

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Monitor state of rotational equipment from a mobile device

The RPM250W is a compact Laser Tachometer with Bluetooth® connectivity, which allows building and maintenance professionals to view and share revolutions per minute (RPM) data of rotating objects directly from a mobile device using the free ExView app. With the capability to capture data, display trends, set visual and audio alarms, and send reports, users can gain deeper insights on equipment health.


  • Take non-contact RPM measurements of rotating objects
  • Increase working distance up to 500 mm (1.64 ft) using laser guided non-contact measurement feature
  • Transmit, view, and share data directly from a mobile device via Bluetooth connection to the ExView app
  • Count up to 99,999 with the Counter function
  • Freeze display with 'Data Hold’
  • Save battery life with Auto Power Off feature
  • Mount on tripod with standard 1/4″-20 mounting screw
  • View data on both the bright, backlit RPM250W LCD display and from the app on iOS® or Android™ mobile devices (offers both day mode and dark mode)
  • Connect up to eight compatible Extech Connected 250W Series meters to the app simultaneously
  • Set up data recording and program high/low audible alarms through the app
  • Export data in .CSV file format or send PDF reports—including photos of the measurement location—from the app
  • Comes complete with 3 AAA (1.5 V) batteries