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SI520 is digital tachometers with contact and non-contact RPM (revolutions per minute) measuring. To measure RPM, it has 5 digits LCD, scan/hold/auto function and auto power off (30 seconds). It has 40 reading memories including 10 selectable MAX measurements, 10 selectable MIN measurements, 10 selectable AVG measurements and 10 selectable DATA memory.
· Measures both contact and non contact
· Non-contact RPM measurement up to 100m
· Laser Sighting
· 5 digital microprocessor-controlled LCD display
· 40 reading memories
· Ultra low power consumption in shutdown mode
