Digital Tachometer with 4 Pcs Probe & LCD Display, Handheld Contact and Photo RPM Tester (2.5-99,999RPM) Linear Velocity Measuring (M/Min,Ft/Min)

Specifications:Measuring Range:Photoelectric: 2.5~99,999 rpmContact: 0.5~19,999 rpmLinear Speed: 0.05~1999.9 m/min / 0.2~6,560 ft/minMeasuring Accuracy: ±(0.05%n+1d)Sampling Time: 1.0 second (below 60 rpm)Range Selection: Automatic switchingMemory Function: Automatically memorizes the maximum, minimum, and last measurement values ​​during the measurement periodEffective Distance: 50~150 mmPower Supply: 4 x 1.5V AA batteries (not included)Size: 215 x 65 x 38 mmProduct includes: 1*Digital Tachometer

• 2-in-1 Versatility: This digital tachometer supports both contact and non - contact measurements, along with linear velocity measurements. It comes with 3 contact adapters, adapting to diverse measurement scenarios with ease.
• Wide Measurement Range & High Accuracy: It offers a broad measurement range: photoelectric (2.5 - 99,999 rpm), contact (0.5 - 19,999 rpm), and linear velocity (0.05 - 1999.9 m/min / 0.2 - 6,560 ft/min). The accuracy is ±(0.05%n + 1d), ensuring reliable results.
• Ergonomic & Durable Design: Made of lightweight yet robust ABS plastic, the housing has an ergonomic design, providing a comfortable grip and facilitating easy operation during use.
• LCD Display: Built-in backlight ensures clear visibility in any environment. Memory Function: Automatically memorizes the maximum, minimum, and last measurement values ​​during the measurement period
• Applications: Primarily used for measuring revolutions per minute (RPM), frequency, surface velocity, and length in equipment such as motors, fans, automobiles, and paper mills