Vibration Meter VM-6320 Specifications: Acceleration 10Hz to 1KHz 10Hz to 10KHz 0.1-200m/s Velocity 10Hz to 1KHz 0.1-200mm/s Displacement 10Hz to 1KHz] 0.001-2.0mm Accuracy:£¼5©‡ Auto power off Max hold Operating conditions:0-+40¡æ(32¨H-104¨H),¡Ü90%RH Power supply: 4x1.5V AA(UM-3)battery Battery indicator: low battery indicator Dimensions : 160x68x32mm weight: 181g(not including battery E£­mail£ºsale@landteknet.com landtek@126.com Skype: Samantha518 Contact person : Samantha Sun (Miss) Tel £º86£­20£­81509468 86-20-51503958 Fax: £º86£­20£­81509478 For further information, please visit our website: http://www.landteknet.com