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Hydrometer Kit
Soil Stirrer
Heating Element
Weighting Rings
Hydrometer Kit
Soil Stirrer
Heating Element
Weighting Rings

Hydrometer kit


The hydrometer method is an accurate way to determine the particle size distribution in a soil sample. This kit is a complete set to analyze the grain-size of of the smallest fractions in soil samples.

  • Complete kit
  • Determine particle size distribution of the smallest fractions
  • Use readings to determine grain size according to Stoke's Law


With the hydrometer method, a sample is first cleaned of organic matter. It is then weighed and dried, suspended in water, and sieved. 

The solution that passes through the sieve is transferred to a measuring cylinder with water. Hydrometer readings are then taken at regular intervals. These hydrometer readings, combined with sedimentation time, are used to determine the grain sizes according to the Stoke’s Law.

The hydrometer kit contains:

  • A number of hydrometers
  • Sedimentation cylinders
  • Thermometer
  • Glass container
  • Heating element with thermostat and stirrer
  • Soil stirrer
  • Various accessories

The hydrometer set is used to analyze smaller fractions of soil samples. To perform a complete analysis of the grain-size of soil samples, the granular composition test set is required for the analysis of coarse fractions and a pipette apparatus for fractions smaller than 38 μm. 


Hydrometer kit
Maximum number of samples 6
Measuring range 0.995 - 1.035 g/ml and -5 - 60 g/l
Reading accuracy 1 g/l
Sample specification disturbed
Voltage 230 volt
Package size 47.2 x 31.5 x 25.2 in | 120 x 80 x 64 cm
Weight 130 lbs | 59 kg


Kory Enneking

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