NELD-LS730 Contactless Laser Shrinkage Expander, equipped with imported high-precision laser displacement sensors, measures shrinkage and expansion of materials like cement, mortar, concrete, and more. It also features dual-channel measurement for transverse specimens and single-channel longitudinal measurement for early age free shrinkage of cement and other binding materials.

Imported laser displacement sensors utilize laser technology for non-contact measurement of the position and displacement of the object being measured, featuring high sensitivity, stability and reliability, and minimal zero-point drift.

This product offers 1-6 channel selectable usage, allowing each channel to be used independently for individual measurements. Versatile and equipped with advanced measurement technology, it has a wide range of applications. It is a high-precision product currently available on the market that can measure both cement and concrete expansion and contraction.