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Soil Classification


Penetrologger CBR set

Penetrologger CBR set The Eijkelkamp penetrologger CBR measures by a static penetration test directly CBR values using the standard CBR cone. The standard California bearing ratio (CBR) is a penetration test for evaluation of the mechanical strength of road subgrades and basecourses. The CBR is the basis for determining the thickness of soil and aggregate layers used in the design of roads and airfields. A soil’s CBR value is an index of its resistance to shearing under a standard load compared to the shearing resistance of a standard material (crushed limestone) subjected to the same load. The test is performed by measuring the pressure required to penetrate a soil sample with a cone of standard area. The measured pressure is then divided by the pressure required to achieve an equal penetration on a standard crushed rock material. Benefits penetrologger CBR · CBR measurement result evaluation User-friendly and easy operation Accurate measurement principle Display background lighting GPS Field bag · Compact design, detachable handles · Battery compartment for 2 types Lithium batteries · Administrator/user rights configurable operational accessibility Ultrasonic depth measurement Non reflective color design Data file export · Excellent price-quality-functionality ratio · Developed in cooperation with Bundeswehr The complete set with the penetrologger CBR includes a CBR cone, handles, sounding rods, depth reference plate, battery holder, batteries, cable and software. The penetrologger CBR (art. no. 06.15.41) is registered under NSN 6635-12-384-3267. Soil moisture measurement is possible with the optional soil moisture sensor with art. no.: 06.15.50. Software Penetroviewer CBR Penetroviewer CBR V7.05 is available now. Software for processing and displaying data and for configuration of the penetrologger. Suitable for Windows ME, 2000, XP, Vista, Windows 7 and 8.

Penetrologger with GPS, standard set Angle of cone 30 ° Cone surface range 1.3 cm² Connection screwthread Data output .txt, other Data plug type RS232 Data storage capacity 1500 Data transfer cable International Protection Rating 54 Maximum force 15% CBR kPa Maximum measuring depth 0.70 m Maximum operating temperature 70 ° Measured parameters penetration resistance Measuring accuracy < ± 2% Measuring range 0...15% CBR Minimum operating temperature -10 ° Power supply battery Product material stainless steel, iron, PVC, other material Programming possibility Yes Reading accuracy 0.1% Registration type logging Package size 30 x 25 x 15 cm Weight 5.5 kg Applications Geotechnical soil research Trafficability or load bearing capacity research

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