[ Acrylic Construction]Crafted from superior acrylic, this crack monitoring device offers exceptional durability and resistance to weather elements. It's designed for repeated use, boasting features like waterproofing, sunproofing, and resistance to wear and scratches. Installation is straightforward, and the device provides clear, intuitive readings. [Comprehensive Monitoring Capabilities]Designed to meticulously monitor wall cracks and their progression, this device includes a scale plate with horizontal and vertical scales and an indicator plate with crossed lines. It offers a measuring range of ±1 mm (±0.04inch) on the X-Y , with a resolution of ±1 mm (±0.04inch), and extends up to ±25 mm (±0.98inch) horizontally and ±10 mm (±0.38inch) vertically. [Advanced Technology]Equipped with cutting-, this crack monitor gauge is perfect for accurately tracking both horizontal and vertical movements of cracks on flat surfaces. It ensures dependable monitoring of crack width or length changes over time, making it an essential tool for structural monitoring. [Versatile Application]Ideal for observing crack dynamics and misalignments on various building surfaces, this instrument also tracks relative displacement between two points in both horizontal and vertical directions. Its versatility makes it suitable for a wide range of structural monitoring applications in construction and engineering fields., Weight: 0.1212542441 Pounds, Manufacturer: Kueohse