High-precision monitoring tool for crack evaluation - Clear acrylic panel with a precise grid provides visible, consistent markings to support detailed crack evaluation and reliable monitoring over time. Dependable, simple crack tracker - An uncomplicated analog mechanism enables efficient observation of horizontal and vertical crack displacements without electronics or calibration hassle. Flexible setup and clear recording - Two removable pins allow adjustable positioning; movement is recorded on a chart and tracked by a cursor for repeatable observation. Long-term wall analysis with 2D monitoring - Manual 2D crack monitoring delivers consistent wall crack measurements, supporting accurate, long-term data collection. Key features and benefits - Material: acrylic panel with durable, easy-to-read grid - Function: accurate horizontal and vertical displacement tracking - Performance: dependable, low-maintenance analog design for repeatable results - Data recording: chart and cursor provide clear movement documentation - Setup: two removable pins enable quick, adjustable configuration - Application: designed for consistent 2D wall crack analysis over time Use scenarios - Construction monitoring: track crack development on new concrete or masonry walls during curing or early loading phases - Structural assessment: observe crack progression after seismic events or heavy loading to inform safety decisions - Renovation and retrofitting: document long-term crack behavior for compliance, reporting, or remediation planning