Measurement & Analysis Instruments Digital Laser Photo Tachometer Handheld Non Contact Engine Motor Speed Meter Speedometer 2.5RPM-99999RPM Tach RPM Tester HS2234 by Acent

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About Measurement & Analysis Instruments Digital Laser

Features : MCU Embedded, and based on optoelectronic.semiconductor laser and other advanced technology, measuring RPM is accurate non-contact. Wide range of the measurement and high-resolution. Automatic measuring and manual measuring selection. The power of laser is of high and low selection to adapt th far and near distance. Automatic to record 50 sets of data, and the sampling interval time could be changed. Automatic to record the Max, Min and Average data. LCD helping work in the dark. Auto shut off after 30 seconds without operation. Product specifications: Display: 5-digit LCD display, maximum reading 99,999 Measuring range: 2.5 rev / min - 99,999 rev / min Measurement resolution: 2.5 rev / min - 999.9 rev / min ... 0.1 rev / min 1000 rev / min -99999 rev / min ... 1 rev / min Measurement accuracy: +/-0.05% measurement +1 digtal Effective measuring distance: 50-500mm Sampling rate: 0.5 seconds (120 rpm or more) Time base: quartz crystal Operating temperature: 0 ° C -50 ° C Storage temperature: -20 ° C -70 ° C Power: two AAA (seven) batteries Power consumption: Low-range laser power... about 25mA High-grade laser power... about 40mA Meter size: 108 (L) X60 (W) X32 (H) mm Weight: 73g Accessories: manual, battery, reflective strip (24cm*4)