Sister Bar Strain Gauge

Model EDS-12V Overview

Encardio-Rite’s Model EDS-12V Vibrating Wire Sister Bar is used to measure strain in concrete structures such as diaphragm/slurry walls, piles, tunnel lining, bridge abutments, foundations, dams etc. It contains of a hollow bar with vibrating wire strain gage which is coaxially mounted inside it. On the two end sides the hollow bar is extended with 12 mm Ø reinforced bars. This model is also available with a 16 mm Ø  reinforced bar variant.


Range2500 µ strain
Sensitivity1 µ strain
Maximum Ø  x l (mm)26 x 1400 (for 12 mm Ø  nominal-standard)
30 x 1400 (for 16 mm Ø  nominal-standard)
ThermistorYSI 44005 or equivalent
Temperature limit-20° to 80°C
ProtectionIP 68
Cable connectionFour-core shielded 1 m long; specify