Shenzhen Pride Instrument Inc.
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Digital Depth Gauge Digital Crack Meter Gauge
CRA 660 is used to measure concrete crack depth by applying principle of acoustic diffraction. It also can be used to measure propagation velocity of ultrasonic wave in concrete. The CRA 660 has automatic detection, data memory and output.
Entire English display ,clear and easy to use
Direct digital read out of the crack depth
Use special bracket to ensure the accuracy of two testing points
A data base is set up to store and manage completed test data for analysis reporting RS232 interface to PC
Applications
Applicable on concrete, rock, glass and other non metallic structures
Technical Specs
| Measuring range | 500mm |
| Accuracy | < 5mm [When cracked depth is less than 50mm] < 10%mm (W means the cracked depth [When the depth is more than 50mm] |
| Memory | 25,000 data |
| Operation temperature | -10°C - +40°C |
| Relative humidity | <90% |
| Power supply | AA batteries x 6 |
| Dimension | 210mm x 153mm x 90mm |
| Weight | 880gr |
Standard Delivery
Main unit
Transducer (2 pcs)
Bracket
Battery (6 pcs)
Electric torch
Oil pen
Signal cable (2 pcs)
Tapeline
Shoulder strap
Manual