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0822 5870 6420 (Anto)

0821 1460 7782 (Faoji)

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+62-21 29563045

Convergence Meters (VW)

Convergence Meters (VW)



The Model 4425 Convergence Meter is used to monitor closures in underground excavationstunnels, 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.


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

¹Other ranges available on request.

²Accuracy established under laboratory conditions.