Information

The soil-pH influences the availability of minerals for the plant. Each plant has a certain pH at which it is optimally grown and produced. The pH analysis is the most common parameter carried out on soil samples. Specialized laboratories analyze the soil and provide farmers with the required information. Based on the analysis results, the best method can be selected to improve the soil quality resulting in increased crop quantities and cost reduction.

Steps of Automation
  • Addition of extraction solution
  • Samples stirring
  • Automatic probe calibration
  • Probe rinsing
  • Measurement op pH
  • Result calculation

The Robotic Analyzer can be configured for measurement of soil-pH in water extracts as well as in KCl, CaCl2 or other extracts. The procedure includes the automatic calibration of the probe and addition of water, KCl or CaCl2 solution for extraction. Depending on the prescribed procedure, the samples are left to settle for a pre-defined time and / or stirred before the measurement continues. A multiple probe configuration is available to increase sample throughput.

After weighing the samples are placed in a rack. The racks are transferred to the analyzer. The analyzer adds extraction solution and stirs all the samples. Between each operation the analyzer rinses the probe. After a pre-defined settling period the samples are again stirred. The pH value of each sample is measured. The measured values of each sample is calculated and stored.

The SP10 and SP50 provide an economical solution for small sample loads. The SP100 and SP1000 models can be configured with up to four probes for larger sample batches. Parameters, such as conductivity (EC), can be added.

Comparison Skalar
soil analyzers
alt
SP10
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SP50
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SP1000
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SP100
Sample capacity

128 bottles

(50 ml)

216 bottles

(50 ml)

360 bottles

(50 ml)

528 bottles

(50 ml)

Probes 1 Up to 2 Up to 8 Up to 8
Multiple parameters analysis Yes Yes Yes Yes
Barcode reader Option Option Option Option

 

 

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