B. E. P. Edu World

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Specification Part - 2 mx12 cmx12 cm (8.3"x4.8"x4.8").contact probe ( TA-35 ). Accessories Operation manual.............................1 PC.Sampling Time Approx. 1 second. Included Reflective tape.................................1 PC.Calibration Crystal time base and microprocessor Optional Contact Tachometer probe ( TA-35 ).circuit, no external calibration process Accessories ACV 110V, 220/230V to DC 9V adapter.required.ELECTRICAL SPECIFICATIONS OF STROBOSCOPE Stroboscopic 100 to 99,999 flashes per minute (FPM). Resolution 0.1 FPM/RPM (less than 1,000 FPM/RPM)Flash Rate Low range : 100 to 1,000 RPM/FPM. 1 FPM/RPM ( > 1,000 FPM/RPM ).High range : 1000 to 99,999 RPM/FPM. External Input signal : 5V to 30 V rms,Accuracy ± ( 0.05% + 1 digit ). Trigger 100 to 99,999 RPM/FPM.Light Source Long life high intensity LED array. Input ELECTRICAL SPECIFICATIONS OF  LASER PHOTO  TACHOMETER Range       10 to 99,999 RPM Accuracy ± ( 0.05% + 1 digit ).Photo 50 - 1,500 mm typically. Sampling Time 1 sec. ( 60 RPM ).Tachometer * Spec. of detecting distance are that Resolution 0.1 RPM < 1,000 RPM detecting  under the size of reflecting tape is 10 1 RPM 1,000 RPM distance  mm square & the measuring RPM Time base Quartz crystal value is 1,800 PPM. The max. & min. Laser light * Less than 1 mW.detecting distance may change under source * Class 2 laser diode. Red. Wave length different environment, different is 645 nm approximately.reflecting tape or the measuring RPM beyond 1800 PRM. ELECTRICAL SPECIFICATIONS OF  CONTACT TACHOMETER ( OPTIONAL PROBE, TA-35 )Range  Contact Tachometer :  Resolution 0.1 RPM < 1,000 RPM    0.5 to 19,999 RPM 1 RPM 1,000 RPM Surface Speed ( m/min. ) : 0.01 m/min.  100 m/min. 0.05 to 1,999.9 m/min. 0.1 m/min. > 100 m/min.Surface Speed ( ft/min. ) : 0.1 ft/min. < 1000 ft/min.0.2 to 6,560 ft/min. 1 ft/min.   1,000 ft/min. Accuracy ± ( 0.05% + 1 digit ). Accessories RPM adapter ( Cone type )............ 1 PC.Sampling Time 1 sec. ( 6 RPM ). Included RPM adapter ( Funnel type ).......... 1 PC.Surface speed test wheel..............  1 PC.