Handheld LCD Digital Laser Tachometer RPM Test Small Engine Motor Speed Gauge

Specifications: Features: MCU Embedded, based on optoelectronic, semiconductor laser and other advanced technology, and non-contact RPM measurement. Wide range of the measurement and high-resolution. Automatic measuring and manual measuring selection. High and low power of laser alternative for far and near distance measurement and eye protection. Auto recording 50 sets of data and adjustable sampling interval time. Automatic to record the Max, Min and Average data. With LCD backlight, it can work in the dark. Auto shut off after 30 seconds without operation. Specification: Color: Gray Display: 5 digits LCD, Max 99999 Measuring range: 2.5RPM-999.9RPM Resolution: 2.5RPM-999.9RPM (0.1RPM); 1000RPM-99999RPM (1RPM) Accuracy: ±(0.05% rdg + 1 digital) Available distance: 50mm-500mm Sampling time: 0.5s(over 120 RPM) Time base: Crystal Oscillator Operating Temperature: 0 ~ 50 degrees Celsius Storage Temperature: -20 ~ 60 degrees Celsius Powered by: 2 * AAA batteries(Not included) Power consumption: Laser in low power 25mA; Laser in high power 40mA Tachometer size: 10.8 * 6 * 2.8cm / 4.3 * 2.4 * 1.1oz Tachometer weight: 73g / 2.6oz Package size: 20 * 12.5 * 6cm / 7.9 * 4.9 * 2.4in Package weight: 173g / 6.1oz Package list: H9734 1 * Digital tachometer 1 * User manual 4 * Reflecting tape mark