Surface transmission type RI density moisture meter "ANDES"
A measuring device aimed at "soil compaction management" in all earthworks!
"ANDES" is a non-destructive measuring instrument that utilizes sealed radioisotopes (radioactive isotopes: RI). It can be easily transported to the necessary location at the necessary time, allowing for data to be measured simply, accurately, reliably, quickly, and safely. It can be used for "soil compaction management" in various earthworks, including roads, airports, dams, land development, embankments, and backfilling of pipelines. 【Features】 - On-site determination of the compaction state (degree of compaction) of embankments - Capable of assessment for any soil type - Measurement time is one minute per location, allowing for multiple measurements in a short time - Printing and statistical calculation functions for measurement data - Capability to store measurement data in the measuring instrument itself - Minimal human error factors in measurements - Easy data organization using a dedicated application on smartphones or PCs *The specifications of the measuring instrument include general specifications (Ministry of Land, Infrastructure, Transport and Tourism, prefectures including cities and towns, and private construction) and NEXCO specifications.
basic information
【Specifications】 ■ Measurement Method - Density: Gamma ray transmission type - Moisture: Fast neutron transmission type ■ Measurement Range - Density: 1.0 to 2.5 (Mg/m³) - Moisture: 0.0 to 1.0 (Mg/m³) - Water content ratio: 0 to 200 (%) ■ Measurement Depth: 20 cm (custom specifications of 15 cm and 10 cm are also available) ■ Measurement Time - Standard measurement: 10 minutes, standard BG: 3 minutes (NEXCO specifications are 10 minutes) - Field measurement: 1 minute ■ Radiation Source - Sealed stainless steel capsule - Density meter: Cobalt-60 2.59 MBq - Moisture meter: Californium-252 1.11 MBq ■ Detection Tube - Density meter: GM counting tube - Moisture meter: 3He proportional counting tube ■ Main Unit Weight: 10.5 kg ■ Main Unit Dimensions: 340W × 260D × 145H (mm) *For more details, please download the PDF or contact us.
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Model number/Brand name
SRDM-2SV
Applications/Examples of results
■Quality control method to replace the field density test (sand replacement method) ■Applicable to all earthworks for projects ordered by the Ministry of Land, Infrastructure, Transport and Tourism, NEXCO, prefectures, and private sectors, including roads, embankments, rivers, airports, dams, site development, backfilling of pipelines, and all other earthworks.
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Since our establishment, we have developed many measurement technologies that utilize various types of radiation emitted by radioisotopes, particularly gamma rays and neutron rays, in the construction field, specifically the RI method. The characteristics of the RI method are "non-destructive," "rapid," and "high precision." Currently, based on the development of unique measuring instruments that leverage these characteristics and the proposal of investigation methods, we focus on consulting that comprehensively addresses issues related to ground and soil construction by combining soil and geological surveys. Additionally, we also engage in the sale and rental of these RI instruments. Please feel free to contact us if you have any requests.
