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Micro Crackmeter VW Model 4422

Micro Crackmeter VW Model 4422

The Model 4422 is a miniature crackmeter intended to measure displacements across surface cracks and joints. It has be

Description

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).

Spesification

Standard Range
4 mm (±2 mm)
Resolution
0.001 mm
Accuracy¹
±0.1% F.S.
Nonlinearity
<0.5% F.S.
Temperature Range²
−20°C to +80°C
L × Diameter
120 × 8 mm