เครื่องวัดความเร็วรอบ Extech 461920 Mini Laser Tachometer

• Make non-contact RPM measurements of rotating objects
• Use reflective tape on object to be measured and point the integral laser
• Large 5 digit LCD display with backlighting
• Memory button for Last/MAX/MIN readings
• Counter function counts up to 99,999 revolutions
• Rugged, double molded housing

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