The Model 4422 is a miniature crackmeter intended to measure displacements across surface cracks and joints. It has been specially designed for applications where access is limited and/or where monitoring instrumentation is to be as unobtrusive as possible (e.g. on historical structures or buildings).
|Standard Range||4 mm (±2 mm)|
|Temperature Range²||−20°C to +80°C|
|L × Diameter||120 × 8 mm|