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Measure cracks, fissures, and expansion joints over 160 x 40 mm range in 1-mm increments
Unique serial number assures engineering traceability for structural forensics
Heavy-duty industrial polymer endures extreme environments and resists yellowing
Vibrant color measurement grid with TickPoints improves measurement accuracy
Engineered and made in the USA — epoxy and corner mounts sold separately
FROM THE MANUFACTURER The CRACKMON® XL 15040A Industrial Crack Monitor, Fissure and Expansion-Joint Caliper Gauge is a large-format differential-displacement scientific instrument for wide cracks, fissures, and expansion joints in structures and geological formations. A -55 to +105-mm measurement range with a unique dual scale supports peak-to-peak differential crack displacement up to 160-mm on the X (horizontal) axis and 40-mm on the Y (vertical) axis. This is 4X the measurement range of classic crack monitors. Modular design supports optional corner-mount adapters for inside and outside corners, including ceilings, floors, slabs, steps and walls. FEATURES AND BENEFITS Ultra-wide 160-mm x 40-mm range measures large cracks Non-yellowing, heavy-duty thermoplastic construction offers superior durability Brilliant high-contrast UV-cured graticule ensures accurate measurements indoors and outdoors without fading Serial IDs improve engineering and forensic traceability Volume-quantity discounts for Amazon Business accounts APPLICATIONS Bridges Energy Geophysics Foundations Mining and tunnels Seismic forensics Sinkhole structural monitoring WHAT’S INCLUDED CRACKMON XL 15040A Caliper Gauge Printed instructions Stainless-steel mounting hardware including fasteners and anchors RECOMMENDED ACCESSORIES The following accessories are available separately and not included with this item: Buildera STRUPOXY™ Thixotropic Structural Epoxy Adhesive. Order UPC 816291010099 | EAN 0816291010099 Buildera CRACKMON 224R Crack-Width Comparator. Order UPC 816291010112 | EAN 0816291010112 Milwaukee model 48-20-8810 (1-pack) or 48-20-8961 (5-pack) 1/4" x 2" x 4" carbide-tipped concrete hammer-drill bit or equivalent