Optical Non-contact And Contact Digital Hand-held Tachometer Two In One Portable Tachometer Measurement Tools Ltd1998year，Is a collection of instrument

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

Regular size

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。

Optical Non-contact And Contact Digital Hand-held Tachometer Two In One Portable Tachometer Measurement Tools Ltd1998year，Is a collection of instrumentShips 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