Efficient Monitoring: Prevent structural damage with our crack monitoring record. Using screws and adhesives, its easy-to-read grid allows for accurate tracking. The recording & repair sheets are clear and precise, with complete instructions. The highly transparent acrylic panel ensures reliable monitoring. Advanced Monitoring Capabilities: Track crack movement and position with unmatched accuracy thanks to a resolution of 0.5 mm (0.02") and a vertical range of 10 mm (0.38"). The XY axis reticle is accurate to 1mm (0.04"), and with a horizontal range of 20mm (0.79"), the graduation function allows for easy monitoring. Accurate Crack Measurement: This crack monitoring device is a precision instrument that can be used to monitor the horizontal or vertical movement of cracks on a flat surface. Helps you detect any changes in the width and length of cracks over time. Discover Structural Issues: Gain insight into the health of your walls with our crack monitoring record. Track changes in cracks over time and how they evolve, simplifying the work of manual crack monitoring. Ensure the safety and stability of your building and easily plan necessary repairs. Intelligent Design: This crack monitoring record consists of two cards that can be easily attached together. The base plate is calibrated in millimeters and the transparent top plate has a fine-line cursor marked with a cross for accurate reading. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.