vibrating wire transducer
RTF Surface Jointmeter
Crackmeter – RTV-3D
BOF-EX – Retrievable Borehole Extensometer
BOR-EX – Rod-Type Borehole Extensometer
CONVEX-D Digital Tape Extensometer
R-4 – Magnetic Probe Extensometer
SSG Vibrating Wire Soil Settlement Gauge
NIVOLIC SG Settlement Gauge
JM Series Vibrating Wire Jointmeter