Digital Laser Tachometer Non Contact Photoelectric Tachometer Speed Measurement Tools Earmuffs a front lip and the

a front lip and the pads secure your laptop in place

【Round head screw】According to their habits to adjust the color card single - page color card can be taken out

Color screen backlight

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Easy to use

Digital Laser Tachometer Non Contact Photoelectric Tachometer Speed Measurement Tools Earmuffs a front lip and theShips FREE Handling Day: 1 3 Days, Arriving Day: 15 35 Days[SHORTDESCRIPTION] Specifications: Monitor: 5position18mm Word Height LCD Test scope : 2. 5RPM~99,999RPM(turn minute) Resolution : 0. 1RPM(turn minute)(2. 5~999. 9RPM) 1RPM(turn minute)(1000RPM above) Measurement accuracy : (0. 05% +1One word) Sampling time : 0. 8second(60 RPMabove) Effective measurement distance: 50mm~500mm(Laser source) Time base: 6MHzQuartz crystal oscillator Range