Extech 461895: Combination Contact/Photo Tachometer

Combination Contact and Non-contact rpm measurements with visible light beam 461895 Combines both contact (0. 5 to 19,999 RPM) and non-contact (5 to 99,999 RPM) models for use in virtually all tachometer applications. Uses visible light for non-contact measurements up to 6 in. (150 mm) from target. Comes with wheels for linear surface speed (0.2 […]

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