BUILDERA CrackMON® 224R-50 Crack-Width Comparator (50-Pack)
Bulk Packaged in 50-Packs for Wholesale, Resale, OEM, and Volume End-Users
Got Cracks?
The BUILDERA CRACKMON® 224R-50 crack-width comparator is a handy, pocket-sized crack measuring gauge for quick assessment of cracks in reinforced concrete, masonry, drywall and other building materials and structures. Use for periodic inspection or in conjunction with long-term monitoring with CRACKMON Structural Crack Monitors. This version comes shrink-wrapped in bulk packs of 50 pieces for resale or high-volume end users. For individually packaged units, see the BUILDERA CRACKMON 224R.
Features and Benefits
Measure crack widths from .004" (0.1mm) to over 2.5" (50 mm)
Dual English / Metric scale (0 - 2.5", 0 - 50 mm) with easy-to-read graduations
Includes American Concrete Institute crack widths conforming to ACI-224R-1.0
Measure differential sag up to +/- 15 degrees from reference plane
Low temperature-coefficient thermoplastic ensures precise measurements every time
Uniquely serialized for engineering traceability and measurement repeatability
Credit-card size fits conveniently in your wallet or shirt pocket
Back-printed in durable rich black to eliminate parallax and improve contrast
Extremely high resolution ensures fine detail and accurate measurements
Includes Euroslot hanger hole for retail displays and point-of-sale merchandising
Economical for engineers, inspectors, contractors and property owners
QR-code ideal for mobile users and operating instructions
Engineered and printed in the USA from tough, flexible and recyclable clear thermoplastic
Engineering Specifications
RANGE AND RESOLUTION
Standards Compliance: Includes ACI-224R-01 maximum crack widths for reinforced concrete
English Rule Range: 0-2.5 inches in .05" increments
Metric rule Range: 0-50 mm in 1 mm increments
Crack Widths (direct measurement): .004 (0.10), .006 (0.15), .007 (0.18), .008 (0.20), .010 (0.25), .012 (0.30), .014 (0.35), .016 (0.41), .020 (0.51), .025 (0.64), .030 (0.76), .040 (1.02), .050 (1.27), .060 (1.52), .080 (2.03), .100 (2.54), .120 (3.05), .140 (3.56).
Angle Measurement (Sag): up to +/- 15 degrees
DIMENSIONS
Overall Size: 3.38" x 5" (86 mm x 127 mm)
Card Size: 3.38" x 2.13" (86 mm x 54 mm)
Nominal Thickness: 0.030" (0.77 mm)
MATERIAL PROPERTIES
Material: Crystal-clear glycol-modified polyethylene thermoplastic
Recyclable: Yes
Hardness (Rockwell): >100 R
Bendability: Excellent, will not break under extreme abuse
Temperature coefficient of linear expansion: .000035 in/in/°F (.000051 mm/mm/°C)
OTHER
Serial Number: Yes - 12-digit unique per card
Country of Origin (CoO): Engineered and manufactured in California, USA
Warranty: 12 months against defects in materials and workmanship
