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The resistance to penetration is a means of determining the ground load-bearing capacity, and the ease with which roots will grow through the ground (important when agricultural, rural- and civil engineering techniques are involved). The resistance to penetration is a mechanical characteristic that, given a certain texture, depends on changing parameters such as degree of humidity, density and the strength of the connection between mineral particles. Measuring the resistance to penetration of the soil in a great number of measurements is best executed applying an electronic penetrometer together with a datalogger, allowing for immediate storage and processing of the data in the datalogger. To this purpose was developed the penetrologger: An electronic penetrometer with a built-in datalogger for storage and processing of a great number of measuring data (1500 measurements).

The penetration resistance is measured in many measurements with an electronic penetrometer with a data logger, the data is stored and analyzed in the data logger.

Benefits Penetrologger

  • No mechanical parts, strong and reliable
  • Incorporated fast GPS. Data are auto-stored
  • Soil moisture indicator can be connected
  • Record one moisture % per measurement
  • Moisture recordings allow comparing of data
  • 500 fully digital depth / force recordings
  • Numerous different projects can be defined
  • Projects can be selected at any moment
  • Velocity indicator stimulates correct pushing
  • Field and office programmable / read-out
  • Will show, upload or print any reading
  • Will show averages and spreading


  • General soil research
  • Foundation engineering
  • Check whether the soil is suitable for agricultural purposes
  • Investigation of the anticipated growth conditions
  • Research into poor growth conditions, for example by trees in the city or in parks
  • Verification artificial compaction
  • Suitable for golf courses

Technical data:

  • Angle of cone: 60 °
  • Battery life time: 8 hours
  • Cone surface range: 1, 2, 3.3, 5 cm²
  • Connection: screwthread
  • Data output: .txt, other
  • Data plug type: RS232
  • Data storage capacity: 1500 measurements
  • Data transfer: cable
  • Protection class: IP54
  • Maximum Applicable pressure: 10000 kPa
  • Maximum measuring depth: 0.80 m
  • Maximum operating temperature: 50 °
  • Measured parameters: penetration resistance
  • Measuring accuracy: < ± 1%
  • Measuring range: 0 – 10,000 kPa
  • Minimum operating temperature: 0 °
  • Power supply: battery
  • Product material: stainless steel, iron, PVC, other material
  • Reading accuracy: 0.1%
  • Registration type: logging
  • Dimensions: 600 × 300 × 240 mm
  • Weight: 15.5 kg

Item-No.: 41015 – Penetrologger
Item-No.: 41015 – Soil moisture sensor