Crack Monitors for Concrete Flooring and Slabs

For U.S. Orders & Quotes
hmc@humboldtmfg.com
1.800.544.7220 or fax: 1.708.456.0137

International Orders & Quotes
hmc@humboldtmfg.com
1.708.456.6300 or fax: 1.708.456.5412

Store > Concrete > Cracking, Concrete Slabs > Crack Monitors

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Crack Monitors

Crack Monitor Gauge— H-2936

Simple and accurate device for monitoring & charting movement of cracks and joints in concrete and masonry structures. Movement is indicated by crosshairs on a grid and is recorded by periodically copying the crosshair positions onto an accompanying chart.

Crack Monitor Gauge— H-2936

$17.00 Add to Order

Crack Monitor Gauge with Measurement Tabs— HC-2937

Similar to the standard gauge above, but allows you to measure the width of the crack using a vernier or digital caliper— enhancing accuracy.

Crack Monitor Gauge with Measurement Tabs— HC-2937

$25.00 Add to Order

Corner Crack Monitor Gauge— HC-2938

The corner crack gauge, with its hinged design is used to monitor cracks in both internal and external corners. Corner gauges are sold in pairs.

Corner Crack Monitor Gauge— HC-2938

$54.00 Add to Order

Multi-Direction Crack Monitor Gauge— HC-2939

The displacement crack gauge monitors displacements in 3 directions. It monitors displacement and horizontal movement where there is a step across a crack due to displacement or an out of plane movement.

Multi-Direction Crack Monitor Gauge— HC-2939

$59.00 Add to Order

Multi-Length Strain Gauge Set— H-3230

Mechanical gauge is recommended as a substitute for the Whittemore strain gauge for many applications. Designed to measure strain in masonry-type materials, structural components under load, opening or closing of structural cracks, measuring relative structural displacements, rock mechanics testing and drying shrinkage of concrete block testing.

Instrument frame is cast aluminum alloy with 5 master settings of 2, 4, 6, 8 and 10 inches, easily set for gauging. Dial indicator has .0001" minimum graduation; effective strain range is 0.3". Maximum linear measurement is 0.4". Set includes: strain gauge, dial indicator, 8 brass inserts, 2 contact seats, 2 mounted contact points, invar master bar, punch bar and one compartmented wood storage case. Metric model has 5, 10, 15, 20 and 25cm settings and dial indicator with 002mm graduations. Meets ASTM C426.

Multi-Length Strain Gauge Set— H-3230

$1260.00 Add to Order