Description:Solid structure built with durable electronic elements and light ABS plastic house.Measuring range: 0.5~19999RPM, 0.05~19999.9m/min, 0.2~6560Ft/min. Accuracy: ±(0.05%+1 word).Equipped with convex channel lineal rate sensor, it is convenient for measuring the lineal rate of the wire, cable. ropes etc.Applying the MCU and electrooptical technology, can perform contact measurement of rotating & linear rolling speed efficiently.Ergonomic size fits in your hand perfectly to get a better grip. Compact (size: 155*55*35mm) and lightweight design, you can carry the meter anywhere.Backlight LCD display: This handheld digital grain moisture tester with a large LCD screen can display the data clearly. Back-light makes you easy to read and accurate in low light areas or night.Specifications:Model: AR925.Color: show as pictures.Size: 155*55*35mm.Material: plastic.Measuring range: 0.5~19999RPM, 0.05~19999.9m/min, 0.2~6560Ft/min.Accuracy: ±(0.05%+1 word).Sampling Frequency: 0.8Sec.Max & Min Data Function: yes.Low Battery Indication: yes.Measuring Mode: Contact-type.Data Hold: yes.LCD Backlight: yes.Power supply: 3 x 1.5V AAA Battery (not include).Package Include:1 * AR925 Tachometer.1 * User Manual.
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