pF laboratory station
Determination of soil moisture retention curves (soil water characteristic curves)
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Determination of pF curves within the range of pF 1 (10 hPa) to pF 2.9 (ca. 750 hPa) with precise vacuum setting
- Desktop device with integrated vacuum pump
- Very short prep time; suction plates are immediately ready for use following wetting
- Precise vacuum control with 1 hPa resolution
- Simultaneous display of system pressure and limiting values
- Adjustable limit values
- Rapid drainage of soil samples
- Protective housing with transparent lid
- Up to five pF pressure step modules and/or additional pF suction plate modules can be connected
- Covers the entire pF range (pF 0 - pF 4.2) in combination with membrane apparatus
| Active filter area: | 480 mm x 280 mm |
| Adjustable range:approx. | 10 hPa (pF 1.0) to approx. 750 hPa (pF 2.9) |
| Vacuum control: | Microprocessor with electronic pressure sensor |
| Number of sample rings: | approx. 40 pieces with Ø 53 mm (100 cm³) |
| approx. 30 pieces with Ø 60 mm (100 cm³) | |
| approx. 15 pieces with Ø 84 mm (250 cm³) | |
| Connection options: | 5 pressure step- and/or suction plate modules |
| Vacuum buffer volume: | approx. 14 l |
| Vacuum capacity: | 33 l/min against atmosphere |
| Dimensions: | 760 mm x 580 mm x 605 mm |
| Optional: | Module with sample saturation |
Selected references for the pF laboratory and associated modules
(On request, we are happy to make contact with these houses)
- Bayrisches Landesanstalt für Landwirtschaft (LfL), Freising-Weihenstephan, since 2009
- Geologischer Dienst NRW, Krefeld, since 2010
- Bundesanstalt für Geowissenschaften und Rohstoffe, Hannover, since 2011