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.
Specifications
| 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 Lengths³ | 360, 360, 508, 838, 1260 mm |
¹Other ranges available on request.
²Accuracy established under laboratory conditions.
³Transducer length dimensions are without turnbuckle.
