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Combination Contact/Photo Tachometer

Extech 461895

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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 6in. (150mm) from target. Comes with wheels for linear surface speed (0.2 to 6560 ft/m; 0.05 to 1999.9 m/m) or RPM measurements, 4 AA batteries, 23in. (0.6m) reflective tape, and carrying case.

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General Specifications
Rotation Speed (Contact)
0.5 to 19,999rpm
Rotation Speed (Contact) Basic Accuracy
±0.05% of reading
Rotation Speed (Contact) Max Resolution
Rotation Speed (Strobe)
5 to 99,999rpm
Rotation Speed (Strobe) Basic Accuracy
±0.05% of reading
Rotation Speed (Strobe) Max Resolution
Surface Speed (Contact)
0.2 to 6560ft/min, 0.05 to 1999.9m/min
Surface Speed (Contact) Basic Accuracy
±0.05% of reading
Additional Details
8.5 × 2.6 × 1.5" (216 × 66 × 38mm)
4 × AA (1.5V) batteries
2 years
10.6oz (300g)
Related Documents
Export Restrictions

Export Restrictions

The information contained in this page pertains to products that may be subject to the International Traffic in Arms Regulations (ITAR) (22 C.F.R. Sections 120-130) or the Export Administration Regulations (EAR) (15 C.F.R. Sections 730-774) depending upon specifications for the final product; jurisdiction and classification will be provided upon request.

Extech 461895