Laser Photoelectric Tachometer Contact Digital Display Tachometer Non Contact Speed Measuring Instrument Soda Water Makers Power displayer show you when

Power displayer show you when you need to charge your flashlight

Sampling time: about 3 times/s

name      NOVOseries-Safety belt for wind power

Residential electricity

Laser Photoelectric Tachometer Contact Digital Display Tachometer Non Contact Speed Measuring Instrument Soda Water Makers Power displayer show you whenShips FREE Handling Day: 1 3 Days, Arriving Day: 15 35 Days[SHORTDESCRIPTION] Packing List *One meter for multiple purposesOne instrument can be used as a laser tachometerNon contact speed measurement( r min )It can also be used as contact tachometer to measure contact speed * digital displayParallax free * Wide measurement rangeHigh resolution * Automatic memory of values during measurementSmall value and the next measurement * Strong