The tape extensometer is used to detect and monitor changes in the distance between two reference points. Typical applications include:

• → Monitoring convergence of tunnel walls.
• → Monitoring deformations in underground openings.
• → Monitoring displacement of retaining structures, bridge supports, and other structures.

Specifications:
Range : 30m
Accuracy : ±0.01mm
Resolution : 0.01mm
Calibration Frame : 1m
Reference Hook : 130mm long, 250mm long other length on request