Package Included: -Axis Digital Readout 1 x Axis Digital Readout 1 x Set of brackets 1 x Cable 1 x User manual Specification -Axis Digital Readout 1.Measuring travel: 0-3020mm 2.Accuracy class: ± 1um 3.Measurement standards: engraved glass grating 4.Operating voltage: 5V ± 5% DC 5.Working speed: ≤1m / S (1um) 6.Acceleration: ≤ 60m / s2 7.Reference Operating Humidity: ≤ 90RH 8.Grating pitch: 20um (0.020mm) 9.Measurement procedure: Incremental 10.Signal mode: TTL 11.Circuit characteristics: NPN 12.Grating measurement system: transmission infrared optical measurement system, infrared wavelength 940nm 13.Scanning frequency: ≤28kHz 14.Anti-vibration: 50Hz-2KHz, ≤ 180m / s 2 15.Impact: 16ms, ≤ 600m / s 2 16.Displacement frictional resistance: ≤ 5N 17.Protection class: IP53 / IP64 18.Signal electrical connection: independent adapter cable (2.5M / 3M / 4M / 5M, ≤ 100M, can be connected to install the block) Note: The above parameters are measured in the ideal environment. There may be some differences in practical application. Features: -The sliding part adopts the five-bearing system which has been proved to be the most reliable and durable. The main grating adopts 90-degree assembly, which is more accurate and accurate. -The repeatability of the measurement is more stable. -The signal line adopts multi-layer isolation steel and metal soft shell protection, waterproof and anti-interference fine. -Ruler body with aluminum die-casting, hard chrome plating, corrosion-resistant. -Dust bar with special plastic, corrosion resistance, scratch resistance, friction resistance. -Parts individual, installation, maintenance, easy maintenance, waterproof, dust-proof good, long service life. -The sensor uses a glass precision metrology grating as the measurement reference. -Multi-function, easy to operate, reliable and durable, so that the necessary processing of mechanical products.