Model 4100, 4150

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Spot Weldable (VW)

The Model 4100/4150 Strain Gauge has a 51 mm gauge length (3000 µε range, 1 µε sensitivity) and is designed to measure strains in steel structures (4100) and on reinforcement bars (4150) where space may be limited. The gauge is installed quickly and easily by means of a capacitive discharge spot welder or, for short-term use, with special epoxy adhesives; the latter method of attachment permits the use of this gauge on concrete.


Standard Range: 3000 µε
Resolution: 0.4 µε
Accuracy¹: ±0.5% F.S.
Nonlinearity: <0.5% F.S.
Temperature Range²: −20°C to +80°C
Active Gauge Length: 51 mm

¹±0.5% F.S. with standard batch calibration. ±0.1% F.S. with individual calibration.

Accuracy established under laboratory conditions.

²Other ranges available on request.