Optical Non-contact And Contact Digital Hand-held Tachometer Two In One Portable Tachometer Measurement Tools Note: If the device is

Note: If the device is out of level

This certificate indicates that this product complies with the standards promulgated by the National Institute of Standards and Technology (NIST)

Memory value：large/Small/Later value。

output signal for low level effectively

Ltd1998year，Is a collection of instrument development、production、saleIntegrated enterprise，The registered trademark is“”， The English trademark is“”。Main productsyes：Tachometer、gasoline engineTachometer、Stroboscope 、thermometer、visible light、Ultraviolet illumination meter，Infrared temperature instrument、Wood moisture tester、Battery resistance voltmeter、4Half table multimeter

Optical Non-contact And Contact Digital Hand-held Tachometer Two In One Portable Tachometer Measurement Tools Note: If the device isShips FREE Handling Day: 1 3 Days, Arriving Day: 15 35 Days[SHORTDESCRIPTION] Features: Safe and durable, accurate and easy to use Contact and non contact measurement modes can be easily switched Small body, easy to hold