Check the listing for details. Digital Rotative Tachometer Gauge RPM Meter Laser Rotation Measuring Device. Condition: New. Listed at 72.99 USD. Digital Rotative Tachometer Gauge RPM Meter Laser Rotation Measuring DeviceUsed to measure rotative velocity, frequency of motor. Applicable to the product departments of motor, fan, chemical fiber, washing-machine, automobile, airplane, steamer etc. Features* Measuring RPM is safe & accurate without attachment to object. * Digital display with no guessing errors. * Wide measuring range and high resolution. * The last value / max. value / min. value will be automatically stored in memory. * The use of durable, long-lasting components, including a strong, light weight ABS-plastic housing assures elegant shape and ease of use.specification RangeLaser 2.5~99,999r/minResolutionTachometer0.1 r/min(0.5~999.9 r/min)1 r/min(Over 1000 r/min)SurfaceSpeed0.01 m/min(0.05~99.9 m/min)1 m/min(Over 100 m/min)0.1 ft/min(0.1~999.9 ft/min)1 ft/min(Over 1000 ft/min)Accuracy±(0.05%n+1d)Sampling Time1.0 s(Over 60 r/min)Test Range SelectAutomationMemoryMax / Min / Last ValueTime BaseQuartz CrystalLaser Tach Detecting Distance50~150mm/2~6inch(Typical),Max,300mm/12inch50~250mm/2~10inch(Typical),Max600mm/14 inch50~150mm/2~6inch(Typical),Max300mm/12inchPower Supply80mA(Testing)Dimensions0~50ºCWeight4x1.5V AA Size(UM-3)BatteryStandard Accessories215x64x38mm215x74x32mm145x74x32mm215x74x32mm300g280g260g280gMain UnitSurface Speed Test Wheel(AS35C) --------------Cone Adapter(AS35A) -------Cone Adapter(AS35A)Funnel Adapter(AS35B)-------Funnel Adapter(AS35B)Reflective Tape 350mmCarrying Case(B01)Operation Manual Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE MicrosoftInternetExplorer4