Extech 461895 Combination Contact/Photo Tachometer
Combination Contact/Photo Tachometer

461895 has both contact (0. 5 to 19,999 RPM) and non-contact (5 to 99,999 RPM) variants for use in almost any tachometer application. Uses visible light to take non-contact measurements up to 6 inches. (150 mm) from the target. It includes wheels for measuring linear surface speed (0.2 to 6560 ft/m; 0.05 to 1999.9 m/m) or RPM, as well as four AA batteries and a 23-inch length. (0.6m) reflective tape and carrying case.

Specifications

Rotation Speed (Contact) 0.5 to 19,999rpm
Rotation Speed (Contact) Basic Accuracy ±0.05% of reading
Rotation Speed (Contact) Max Resolution 0.1rpm
Rotation Speed (Strobe) 5 to 99,999rpm
Rotation Speed (Strobe) Basic Accuracy ±0.05% of reading
Rotation Speed (Strobe) Max Resolution 0.1rpm
Surface Speed (Contact) 0.2 to 6560ft/min, 0.05 to 1999.9m/min
Surface Speed (Contact) Basic Accuracy ±0.05% of reading
Certifications CE
Dimensions 8.5 × 2.6 × 1.5" (216 × 66 × 38mm)
Power 4 × AA (1.5V) batteries
Warranty 2 years
Weight 10.6oz (300g)