Product Name：VW Piezometer
Product Model：BGK-4500S；GK-4500S(import)
Abstruct：VW Piezometer is used for long-term measuring liquid pressure and pore pressure in piezometer riser pipes, boreholes, embankments, pipelines and pressure vessels.in
Product Name：VW Load Cell
Product Model：BGK-4900；GK-4900(import)
Abstruct：VW Load Cell is used for measuring loads of anchorage cables, rock anchorage bars, anchorage pins or vaulted brackets and other heavy load as well.
Product Name：Rebar Strainmeter
Product Model：BGK-4911；GK-4911(import)
Abstruct：Rebar Strainmeter is mainly used for monitoring strains of concrete or other structural anchorage bars or rebar.
Product Name：VW Arc Weldable Strain Gage
Product Model：BGK-4000；GK-4000(import)
Abstruct：VW Arc Weldable Strain Gage is mainly used for monitoring strain in various structures such as dams, bridges, pipelines, supports and steel posts, etc.
Product Name：VW Earth Pressure Cell
Product Model：BGK-4800,BGK-4810；GK-4800,GK-4810,GK-4820,GK-4850(import)
Abstruct： VW Earth Pressure Cell is used for measuring earth pressure or concrete pressure. Its special design is suitable for measuring total pressure of embankments and fills, contact pressure of concrete and steel structures, earth pressure of retaining walls and gunite concrete lining pressure.
Product Name：VW Crackmeter
Product Model：BGK-4420；GK-4420(import)
Abstruct：VW Crackmeter is used for monitoring concrete connection joints, earth tension joints and rock-concrete joints in buildings, bridges, pipelines and dams.
Product Name：VW Embedment Jointmeter
Product Model：BGK-4400；GK-4400(import)
Abstruct：VW Embedment Jointmeter is used for measuring up and down movement or sectional joint opening or boundary displacement in concrete blocks or in fracture zones of completely grouting boreholes.
Product Name：VW Multiple Point Rod Extensometer
Product Model：BGK-A3/A6；GK-A3/A6(import)
Abstruct：VW Multiple Point Rod Extensometer is used for monitoring deformation of several movable sides in different depths or zones. Single Point Mechanical Rod Extensometer is measurable for roadbed and othe