Lutron DT-2299 Stroboscope LED Array Photo Tachometer Battery Power DT

LUTRON DT-2299 Made in Taiwan Features : * Stroboscope use high intensity LED array. * LCD display with back light. * Stroboscope range : 100 to 99,999 RPM. * External trigger for stroboscope. * Photo tach. range : 10 to 99,999 RPM. * Photo tachometer use the laser light beam. * Power supply : 1.5 V ( UM-1 ) x 4 PCs * DCV power supply via external AC/DC adapter is available, AC/DC adapter is optional. * Combination Stroboscope : Digital Stroboscope & Laser Photo Tachometer * Stroboscope, wide measuring range up to 99,999 RPM. * Battery power Stroboscope, use high intensity LED array, long life. * Back light high visible LCD display gives exact reading with no guessing or error and saves battery energy. * Long distance Laser Photo Tachometer build in. * Optional Contact Tachometer probe is available. * Compact and heavy duty housing case. Stroboscopic 100 to 99,999 flashes per minute (FPM). Flash Rate Low range : 100 to 1,000 RPM/FPM. High range : 1000 to 99,999 RPM/FPM. Accuracy ( 0.05% + 1 digit ). Resolution 0.1 FPM/RPM (less than 1,000 FPM/RPM) 1 FPM/RPM ( > 1,000 FPM/RPM ). External Input signal : 5V to 30 V rms, Trigger input 100 to 99,999 RPM/FPM. Range 10 to 99,999 RPM Photo 50 - 1,500 mm typically. Accuracy ( 0.05% + 1 digit ). Sampling Time 1 sec. ( 60 RPM ). Resolution 0.1 RPM < 1,000 RPM , 1 RPM 1,000 RPM Accessories Included Operation manual Reflective tape1 PC. Battery D-type = 4 Pcs Optional DC 9V adapter.