Digital Laser Tachometer RPM Meter Handheld Speedmeter Engine Motor Speed Gauge Product Name: Digital Non-Contact Handheld Laser Photo Tachometer Motor Speed Gauge Tester Features: Accurate and Dependable Measurement: Provides precise measurements for motor speed. MAX/MIN/AVG Value Record Function: Records maximum, minimum, and average values for detailed analysis. Record Time Interval Setup: Allows setting up of specific intervals for recording data. LCD with White Backlight: Easy-to-read display with backlight for visibility in low-light conditions. Data Hold Function: Keeps the last measurement displayed for convenience. Auto and Manual Power Off: Extends battery life with automatic and manual power-off functions. Low Battery Indication: Alerts you when the battery is low to avoid unexpected shutdowns. Specifications: Measuring Range: 2.5-99999 RPM Resolution: 0.1 RPM at 2.5~999.9 RPM 1 RPM at 1000~99,999 RPM Accuracy: 0.02% + 1 digit Distance: 50~500 mm Data Record: Can store up to 60 data points for rotational speed. Package Includes: 1 x Digital Laser Tachometer 1 x Reflective Tape 1 x User Manual : The Digital Laser Tachometer RPM Meter is the perfect tool for measuring accurate and dependable motor speed. This handheld device uses a non-contact laser method to measure rotational speed, making it safe and easy to use on various motors and engines. With a wide measuring range of 2.5 to 99999 RPM and high-resolution capability, this tachometer is ideal for both low-speed and high-speed applications. The device records maximum, minimum, and average values, and allows for interval setup to capture data at specific times. The tachometer features a clear LCD with a white backlight for easy reading, even in low-light environments. It also includes a data hold function to keep the last measurement on display and both auto and manual power-off functions to conserve battery life. The low battery indication ensures you're always prepared with sufficient power. Usage Instructions: Preparation: Ensure the reflective tape is applied to the rotating object. Positioning: Hold the tachometer at a distance of 50 to 500 mm from the object. Measurement: Aim the laser at the reflective tape and press the measurement button. Recording: Utilize the MAX/MIN/AVG record function as needed. Power Off: Use the auto or manual power-off feature to turn off the device when not in use. Notes: Ensure the reflective tape is securely attached to avoid inaccurate readings. Replace the batteries when the low battery indication appears to maintain accurate measurements.