Feature: 1. [Accurate and Versatile] This digital vibration meter utilizes high sensitivity vibration sensor, providing accurate measurements of acceleration, velocity, and displacement. 2. [Magnetic Probe] Equipped with a magnetic probe featuring threaded interface, easy to install and remove, making it suitable for various measurement conditions. 3. [High Low Acceleration Frequency] Switchable between high frequency (1kHz to 4kHz) and low frequency (10Hz to 1kHz), this vibrometer offers flexibility in capturing both high and low frequency vibrations for comprehensive analysis. 4. [Convenient Data Viewing] The vibration gauge features a screen flipping function, allowing for easy data viewing. Support up to 500 readings data storage, enabling efficient data management. 5. [Piezoelectric Sensor Technology] Equipped with a piezoelectric ceramic accelerometer for accurate and reliable vibration detection, especially vibration measurement in rotating and reciprocating machinery. Specification: Item Type: Digital Vibration Meter Material: ABS Battery Type: AAA Battery x 2 (Included) Battery Capacity: 1200mAh x 2 Vibration Acquisition: Piezoelectric Ceramic Accelerometer (Shear Type) Measurement Range: Acceleration: 0.1~199.9m/s² Velocity: 0.1~199.9mm/s Displacement: 0.001~1.999mm Frequency: 0Hz~4KHz Measurement Error: ±10% Acceleration Measurement Frequency Range: High Frequency: 1KHz~4KHz (HI) Low Frequency: 10Hz~1KHz (LO) Velocity Measurement Frequency Range: 10Hz~1KHz (LO) Displacement Measurement Frequency Range: 10Hz~1KHz (LO) Data Storage: 500 Readings (5 Groups x 100) Operating Temperature Range: 0~40℃ Operating Humidity Range: 30~90%RH. Package List: 1 x Digital Vibration Meter 1 x Long Probe 2 x AAA Batteries 1 x User Manual 1 x Storage Box Note: 1. Do not use the instrument in flammable or explosive environments. 2. Do not use this product to come into contact with dangerous voltages to avoid personal injury or fatality. 3. This instrument should be protected against strong impacts, high temperatures, and water immersion. 4. Remove the batteries from the instrument when not in use for extended periods. 5. Install the batteries with the correct polarity, and promptly replace them when the battery level is low. 6. Do not disassemble the device or attempt to modify its internal components. 7. Alcohol, diluents, and other substances can corrode the casing, especially the screen, so clean the casing lightly with a small amount of water. 8. Use caution when operating the product near rotating equipment. Do not expose the wires or straps.