For quality control of thick layer construction for airport construction! SRID

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Automatic Scanning RI Density Moisture Meter 'SRID' (Slid) SRDM-PWS30C

last updated：Mar 05, 2026

Ideal for managing coarse-grained materials! The measurement area is more than 10 times that of conventional types!

In airport construction, ground improvement work is crucial for ensuring the safety of runways and parking areas, making the quality control of embankments extremely important. Particularly with embankments made of coarse-grained materials, proper compaction is essential, and accurate measurements of density and moisture content are required. Inadequate compaction can lead to ground subsidence or differential settlement, which may seriously impact the safety of the facilities. The SRID achieves more than ten times the measurement range compared to conventional RI density moisture meters, and its non-contact distance sensor provides a function for correcting the effects of unevenness, enabling rapid and accurate measurements. 【Application Scenarios】 - Quality control of embankments in runway construction - Quality control of embankments in parking area construction - Ground improvement work around airports 【Benefits of Implementation】 - Conducting extensive measurements in a short time - Reducing ground shaping work - Streamlining quality control of embankments - Enhancing safety

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**Features** - Automatic floating scanning type (floating height of 5 cm), unaffected by surface irregularities - Measures by rotating within a circumference of 80 cm, achieving over 10 times the measurement area compared to our ANDES - Measurement time is a total of 2 minutes, with 1 minute for BG measurement and 1 minute for on-site RI measurement per location - No standard measurement required as the attenuation of the radiation source is automatically corrected **Our Strengths** Since our establishment in 1974, we have developed numerous technologies that utilize RI (radioisotope) measurement techniques in the construction field. As an "RI measuring instrument manufacturer," we handle everything from development to manufacturing, rental, and maintenance in-house. We also operate as a "construction consultant" conducting on-site surveys utilizing RI technology, in addition to general ground investigations and soil tests. We are the only well-known company in the industry that demonstrates comprehensive strength through these two pillars, contributing to the assurance of quality on construction sites.

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Applications/Examples of results

■Quality control for thick layer construction (construction thickness of 50cm or more) ■Technical proposals and creative ideas ■General earthworks for projects ordered by the Ministry of Land, Infrastructure, Transport and Tourism, NEXCO, prefectures, and private sectors Capable of handling all types of earthworks including roads, embankments, rivers, airports, dams, site development, pipeline backfilling, and more.