<p><span style="font-size: 18px;">Features：</span></p><p><span style="font-size: 18px;">Non-contact Tachometer: Measure RPM with photoelectric Precision, Suitable for Large and Small Engines</span></p><p><span style="font-size: 18px;">High Precision: for Instant Readings with ±(0.05% + 1 RPM) Accuracy, Fast Sampling Time</span></p><p><span style="font-size: 18px;">Multi-function LED Backlight: Easy Reading in Dark, Store Latest, Minimum, and Maximum Readings</span></p><p><span style="font-size: 18px;">Wide Application: Measure Speed of Motors, Fans, Pumps, Turbines, Gears, and More</span></p><p><span style="font-size: 18px;">Complete Tool Kit: Includes Tachometer, Batteries, Reflective Markers, Box, and User Manual</span></p><p><br/></p><p><span style="font-size: 18px;">Specification:</span></p><p><span style="font-size: 18px;">Part Name: Digital Tachometer</span></p><p><span style="font-size: 18px;">Color: Black/Red</span></p><p><span style="font-size: 18px;">Material: Plastic</span></p><p><span style="font-size: 18px;">Model: TA500A</span></p><p><span style="font-size: 18px;">Measuring way: non-contact</span></p><p><span style="font-size: 18px;">Measuring range: 3-100000RPM</span></p><p><span style="font-size: 18px;">Accuracy: ±(0.05%FS+1RPM)</span></p><p><span style="font-size: 18px;">Resolution: RPM: &lt;10000: 0.1, RPM: ≥10000: 1</span></p><p><span style="font-size: 18px;">Speed display: six-digit display, maximum 99999</span></p><p><span style="font-size: 18px;">Effective measurement distance: 50mm~500mm</span></p><p><span style="font-size: 18px;">Sampling time: 0.8 seconds (above 60 rpm)</span></p><p><span style="font-size: 18px;">Automatic shutdown: 15 minutes (can be turned off manually)</span></p><p><span style="font-size: 18px;">Usage environment: -10~50℃, maximum 80% relative humidity, indoor altitude &lt;2000m</span></p><p><span style="font-size: 18px;">Storage environment: -10~50℃, maximum 70% relative humidity (remove the battery)</span></p><p><span style="font-size: 18px;">Power supply: 2×1.5V AAA (R03/LR03) (not included)</span></p><p><span style="font-size: 18px;">Size: 130x59x29mm</span></p><p><span style="font-size: 18px;">Display size: 34 x 31mm</span></p><p><span style="font-size: 18px;">Weight: about 110g (without battery)</span></p><p><br/></p><p><span style="font-size: 18px;">Package Content:</span></p><p><span style="font-size: 18px;">1*Digital Tachometer</span></p><p><span style="font-size: 18px;">1*Instruction Manual</span></p><p><br/></p>