Product Details
The Extech 461995-NIST Tachometer is designed for measuring RPM and linear speed with high precision. This kit includes a digital tachometer, a NIST calibration certificate, and a 9V battery for immediate use. It features a large backlit LCD display for easy reading, a laser pointer for accurate targeting, and a range of 0.5 to 99,999 RPM with an accuracy of ±0.05%. The dimensions of the unit are 6.2 x 2.7 x 1.2 inches (158 x 68 x 30 mm), and it weighs 0.4 lbs (180 g). It complies with CE standards and is equipped with a protective rubber holster for added durability. The product is backed by a 1-year warranty against defects in materials and workmanship.








