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Penetrometreler

Penetrologger CBR

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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