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Set For pF Determination
Set For pF Determination

Set for pF determination


Complete set for the pF determination of soil samples. Measures the full soil retention curve, pF 0 - 4.2 (0 - 15 bar). Includes the sandbox, the sand/kaolin box and membrane apparatus, with a soil sample ring kit for taking undisturbed samples.

  • Set to determine the complete pF-curve
  • Determine the pF curve over the full range of pF 0 - 4.2
  • Including soil sampling equipment
  • For (undisturbed) soil samples in soil rings of 2.1 or 2.4 in diameter


For research of water availability in the soil for plants and trees, the determination of the moisture characteristic (pF-curve or soil retention curve) of the soil is essential.

This full set consists of: 

With this set you have the instruments needed to take undisturbed samples in the field and determine the complete soil retention (pF) curve. But, please note that a precision balance and drying oven are also required for testing in the lab.

Up to 40 samples can be tested per sandbox, which allows for large scale research and the determination of a representative and effective average.

A functioning sandbox can be used for several years if the sand/ sand-kaolin is kept inundated with water after each test. A copper ring helps to prevent algal growth.


Set for pF determination
Maximum number of samples 40+
Measured parameters pF
Measuring range 0 - 2.0 pF
Power supply line voltage
Reading accuracy 0.01 bar
Sample specification undisturbed
Sample stored in ring
Package size 1 pallet of 47.2 x 31.5 x 49.2 in, 311 lbs and 1 pallet of 57.5 x 24.4 x 43.3 in, 461 lbs
Kory Enneking

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