Introducing our advanced Roughness Tester, a must-have tool for quality control in various industries. Designed for user-friendly operation, this compact device features a vibrant OLED display that enhances visibility and adaptability in diverse working conditions. This Roughness Tester accurately measures critical surface roughness parameters such as Ra, Rz, Rq, and Rt, ensuring precision in your quality assessments. With a measurement range of Ra and Rq from 0.05 to 15.0 and Rz and Rt from 0.1 to 50, this instrument is versatile enough to meet the needs of any production line. Key specifications include a stroke length of 6 mm and sampling lengths of 0.25, 0.80, and 2.50 mm, allowing for thorough evaluations with lengths of 1.25 and 4.0 mm. The device boasts a typical indicator error of ±10% and a variability of less than 6%, making it a reliable choice for professionals seeking accurate results. Powered by a 3.7V lithium battery, this lightweight roughness tester measures just 106 x 70 x 24 mm, which makes it portable and easy to handle. Each unit comes complete with a standard calibration block and a sturdy storage box, ensuring your device remains protected when not in use. Please note: To maintain the precision of this instrument, handle it with care and avoid exposure to extreme conditions such as expansion, moisture, oil, or strong magnetic fields. After each use, securely cover the sensor with the protective cap to preserve its integrity. Perfect for engineers, quality inspectors, and manufacturers, our Roughness Tester is an indispensable addition to your toolkit, providing the reliability and accuracy needed to uphold the highest standards in surface measurement.