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Convergence Meters VW Model 4425

Convergence Meters VW Model 4425

The Model 4425 Convergence Meter is used to monitor closures in underground excavations, tunnels, etc. It is

Description

The Model 4425 Convergence Meter is used to monitor closures in underground excavations, tunnels, etc. It is comprised of a spring tensioned transducer, turnbuckle, connecting rod (stainless steel, fiberglass or graphite), rod clamp, and a pair of stainless steel eyebolts

Spesification

Standard Ranges¹
12.5, 25, 50, 100, 150 mm
Resolution
0.025% F.S.
Accuracy²
±0.1% F.S.
Nonlinearity
<0.5% F.S.
Temperature Range¹
−20°C to +80°C
Transducer Lengths
varies with application