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Sentry

Sentry

  • Digital Tachometer - ST722 Digital Tachometer - ST722

    Digital Tachometer - ST722

    Sentry

    A “tachometer” (revolution-counter, tach, rev-counter, RPM gauge) is an instrument measuring the rotation speed of a shaft or disk, as in a motor or other machine. The device...
  • Sentry Tachometer ST723 Sentry Tachometer ST723

    Digital Tachometer ST723

    Sentry

    ST723 from Sentry is a tachometer that offers accurate capabilities for measuring and recording the rotational, linear and surface speed. The non-contact concept is applied to both models in the...
  • SENTRY Environmental Testing Distance Meter ST820

    SENTRY Environmental Testing Distance Meter ST820

    Sentry

        The laser aiming rangefinder ST820 series from Sentry measures distances up to 50 ft (15 m) and is fully functional to help users easily perform distance measurement...