06.15 SA Penetrologger

Categories Soil , In-Situ Soil Physical Research

The penetrologger is a versatile instrument for in situ measurements of the resistance to penetration of the soil.

The cone is screwed on the probing rod, which is connected with a quick coupling to the force sensor on the penetrologger. Now the cone is pushed slowly and regularly into the soil.
The depth reference plate, which is on the soil surface, reflects the signals of the ultrasonic sensor, which results in very accurate depth measurement.
The depth reference plate is also used to reflect the signals which are used to control the penetration speed.
The measured resistance to penetration and the GPS coordinates are stored in the internal logger of the penetrologger.

Angle of cone	60 °
Battery lifetime	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
Data transfer	cable
International Protection Rating	54
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...10000 kPa
Minimum operating temperature	0 °
Power supply	battery
Product material	stainless steel, iron, PVC, other material
Programming possibility	Yes
Reading accuracy	0.1%
Registration type	logging
Package size	60 x 30 x 24 cm
Weight	15.5 kg

The penetrologger can be applied in the agricultural as well as in the civil engineering sector:

General soil science research;
Foundation technology;
Checking whether or not the soil is suitable for agricultural;
Research into (expected) growing conditions for plants;
The detection of compacted (possibly impermeable) sub-soil layers;
Research into poor growing conditions of for instance trees in the city or in parks;
Checking artificially-made compactions;
Checking the suitability of soils for carrying vehicles or pedestrians.

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