Vibration Tester à¤Ã×èͧÇÑ´¤ÇÒÁÊÑè¹ à¤Ã×èͧÇÑ´¤ÇÒÁÊÑèè¹ÊÐà·×͹ > 407860 , EXTEC USA Vibration Meter à¤Ã×èͧÇÑ´¤ÇÒÁÊÑè¹ÊÐà·×͹ 407860 , EXTECH USA Heavy Duty Vibration Meter Measure Acceleration, Velocity, and Displacement plus built-in PC interface Ranges — Acceleration: 200m/s2, Velocity: 200mm/s, Displacement: 2mm Remote vibration sensor with magnetic adapter on 39"(1m) cable Record mode stores the maximum and minimum values for later recall Wide frequency range of 10Hz to 1kHz Resolution to 0.5m/s2, 0.5mm/s, and 0.005mm Basic accuracy of ±(5% + 2 digits) RMS or Peak Value measurement modes Data Hold freezes the reading in the display Auto shut-off saves battery life 9V battery power or optional AC adaptor Built-in RS-232 PC serial interface with optional Data Acquisition Software 407860 Extech Virbration Meter à¤Ã×èͧÇÑ´¤ÇÒÁÊÑè¹ÊÐà·×͹