 |
 Crack Monitors |
| A simple yet accurate device for monitoring crack movement. The waterproof design permits use in salt water. This inexpensive device has hot-stamped crosshairs and grid. It consists of two acrylic plates which move independently. Each gauge comes with a graph for periodic recording of movement. Crack Monitors may be installed using Quick-set Epoxy | |
| Check price list | |
| Check price list | |
| Check price list | |
PRG Flat Crack Monitor
PRG Corner Crack Monitor
PRG Standing Crack Monitor| Specifications | |||
| Flat | Corner | Standing | |
| Construction | Acrylic plastic: hot-stamped crosshairs and grid. | ||
| Discrimination | 0.5mm (estimated value) | 1mm | |
| Max. crack width movement | 3/4" (20mm) longitudinal | 25mm longitudinal | |
| Max. upward movement | 3/8" (10mm) transverse | 25mm transverse | |
| Coeff. of thermal expansion | 3.80x10-5in/in/°F, (6.84x10-5mm/mm/°C) | ||
| Dimensions
Plates: Grid: |
32x102x3mm 40x20mm |
32x102x3mm 40x20mm |
64x115x3mm 50x50mm |
Copyright © 1997-2005 PRG, Inc. All Rights Reserved.
Updated: April 15, 2004