Vibration Meter à¤Ã×èͧÇÑ´¤ÇÒÁÊÑè¹ÊÐà·×͹ 461880: Vibration Meter + Laser/Contact Tachometer à¤Ã×èͧÇÑ´¤ÇÒÁÊÑè¹ÊÐà·×͹ 61880: Vibration Meter + Laser/Contact Tachometer Measures Acceleration, Velocity and Displacement plus RPM and Linear Surface Speed Features: Remote vibration sensor with magnetic adapter on 39"(1m) cable Wide frequency range of 10Hz to 1kHz RMS or Peak Value measurement modes Manual/Auto store/recall up to 1000 readings Data Hold and Auto shut-off Contact and Non-Contact (Laser) tachometer functions Uses a laser for greater distance non-contact measurements up to 4.9ft (1.5m) Large LCD with characters on display reverse direction depending on contact, photo, or vibration mode Windows® 95/98/NT/2000/XP compatible software (included) allows captured readings to be downloaded to your PC for further analysis For complete specs please download the product datasheet (not available for some accessories) Vibration Meter à¤Ã×èͧÇÑ´¤ÇÒÁÊÑè¹ÊÐà·×͹ 461880: Vibration Meter + Laser/Contact Tachometer à¤Ã×èͧÇÑ´¤ÇÒÁÊÑè¹ÊÐà·×͹