Laser Photoelectric Tachometer Contact Digital Display Tachometer Non Contact Speed Measuring Instrument Soda Water Makers -Odometer：Six digits，Small0

-Odometer：Six digits，Small0

Power displayer show you when you need to charge your flashlight

Residential electricity

Outline specification

Sampling time: about 3 times/s

Laser Photoelectric Tachometer Contact Digital Display Tachometer Non Contact Speed Measuring Instrument Soda Water Makers -Odometer：Six digits，Small0Ships 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