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CRACK WIDTH RULER AZA1147
The AZA1147 Crack Width Ruler is an essential field instrument designed for precise measurement of surface cracks in concrete, masonry, plaster, stucco, and other structural materials. Used widely by civil engineers, inspectors, consultants, and maintenance teams, this ruler supports rapid, reliable assessment of crack severity in accordance with industry standards.Accurate crack measurement is a fundamental step in structural diagnostics, enabling timely decisions on repair, rehabilitation, or continued monitoring. The AZA1147 ensures consistent evaluations without the need for digital gauges or complex instruments.
Key Applications
- Structural health monitoring
- Routine inspection of concrete surfaces
- Crack classification for repair planning
- Condition assessment in buildings, bridges, pavements, and tunnels
- Preventive maintenance programs
- Long-term crack propagation studies
Aligned with crack assessment practices recommended in ASTM C823 and BS EN 1504-9, the AZA1147 is an indispensable tool in structural evaluation workflows.
Description
Features & Benefits
Wide Measurement Range
Measures crack widths from 0.1 mm to 7.0 mm with fine incremental markings.
Durable, UV-Stable Construction
Made from shatter-resistant polycarbonate/PVC for long-lasting field performance.
Transparent Body for Clear Readability
Allows direct placement over cracks without obstruction or distortion.
Dual-Unit Scale (Metric & Imperial)
Useful for global and cross-standard projects with varied measurement requirements.
Portable & Compact
Slim, pocket-sized design makes it ideal for site visits and field audits.
No Calibration Required
Always ready to use—consistent accuracy without maintenance.
Cost-Effective
A simple, dependable tool trusted by professionals for quick visual assessment.
Specifications
| Parameter | Specification |
|---|---|
| Material | Transparent Polycarbonate / PVC |
| Measurement Range | 0.1 mm to 7.0 mm |
| Increment | Approx. 0.1 mm |
| Units | Metric (mm), Imperial (in) |
| Dimensions | ~140 mm × 50 mm |
| Standards Referenced | ASTM C823, BS EN 1504-9 |
| Use Case | Structural crack measurement & monitoring |
| Portability | Pocket-sized |
Frequently Asked Questions (FAQ)
Q1: What is the AZA1147 Crack Width Ruler used for?
It measures the width of cracks on concrete, masonry, and similar surfaces for inspection, maintenance, and structural evaluation.
Q2: What crack range can it measure?
From 0.1 mm to 7.0 mm, suitable for typical structural crack assessments.
Q3: Does it comply with any standards?
It supports assessment practices referenced in ASTM C823 and BS EN 1504-9.
Q4: Is it reusable?
Yes. Its durable, UV-resistant material ensures long-term reusable performance.
Q5: Does it need calibration?
No calibration is required. It is a direct-visual comparison tool.
Additional information
| Material |
Transparent Polycarbonate or PVC |
|---|---|
| Measurement Range |
0.1 mm to 7.0 mm |
| Measurement Increments |
Typically every 0.1 mm |
| Units Displayed |
Metric (mm), Imperial (in) |
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