LCD Pocket Rotation Gauge, 2-19999 Range, Non-Tachometer Functionality

Technical parameters: Measuring range: contact type 2 - 19999, non-contact type 2 - 99999 Counting measurement range: 1-99999 0.02% accuracy Resolution: 0.1 or 1 Measuring distance: 50mm-600mm Sampling time: 0.5 seconds (above 120 revolutions) 5-digit LCD display Measurement type: RPM, rotation speed, Hz, speed (m/min, in/min, ft/min, yard/min), and length (m, in, ft, yd) With laser With backlight function Maximum, minimum, average, and data retention 30 data storage: maximum, minimum, and instantaneous values of 10 measurements Battery: 9V battery (not included) Operating temperature: 0℃ to 50℃ Storage temperature: -20℃ to 70℃ Color: black Material: plastic Note: Product may vary slightly between batches; minor differences in appearance or color may occur and do not affect performance. Package Contents: 1 x tachometer 4 x connectors 1 x red protective cap 1 x English manual Only the items listed are included; other items are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error is +/- 1-3cm.