Tachometer High Accuracy 50 to 19999RPM Backlight Display Portable Digital Contact Type Motor Tachometer

Feature: 1. This is a contact digital tachometer with stable performance, high reliability and high safety performance. Ergonomic design, the body uses advanced secondary injection molding process, beautiful and compact design according to EU CE safety standards and meets environmental conservation design such as RONS REACH. 2. Speed integrated chip. Support 100 sets of data retention, data storage, unit conversion, maximum minimum average measurement. Support m min, m sec, ft min, ft sec, in min unit selection. 3. Supports backlight display, even in dimly lit or dark environments, LCD backlight ensures data reading in the dark. Support 50RPM 19999RPM speed display with an accuracy of + (0.03percent + 2d). 4. Supports battery power shortage indication, 30 seconds automatic shutdown function, and supports undervoltage indication. Small enough to operate with one hand. 5. The tachometer is easy to operate and maintain, and its performance is superior. Equipped with 5 contact rollers for easy adjustment in measurement, widely used in laboratories, auto mechanics, machinery manufacturing, motors, etc. Specification: Measuring Range: 50 19999RPM Resolution: 0.01RPM (50 99.99RPM) 0.1RPM (100 9999.9RPM) 1RPM(10000 19999RPM) Accuracy: + (0.03percent + 2d) Measuring Distance: N A Auto Power Off: 30S Data Logging: 100 groups Function: MAXIMUM Value, MIN. Value, Average Value, Data Hold, Low Battery Indication, Automatic Power off Unit Selection: m min, m sec, ft min, ft sec, in min Power Supply: 4 * 1.5V AAA Battery(NOT Included) Elevation: <2000m Working Temperature: 0 celsius 40 celsius (32 Fahrenheit 104 Fahrenheit ) Relative Humidity: less than 80percent RH Item Size: Approx. 175 x 60 x 30mm 6.9 x 2.4 x 1.2in Item Weight: Approx. 146g 5.16oz . Package List: 1 * Digital Tachometer 2 * Measurement Idler Wheels 2 * Measurement Touch Tips 1 * Lengthening Bar 1 * Portable Bag 1 * User Manual(English)