Robotic analyzers

Turnkey or custom-made automation solutions

Skalar’s sophisticated SP2000 robotic platform offers dedicated and flexible automation solutions for routine analytical testing. Automation is available for a variety of applications including: BOD, COD, Test kit applications (ST-COD, TP, TN etc.), pH, Conductivity (EC), Alkalinity, Carbonate/Bicarbonate, Turbidity, Color, Ion Selective Electrodes (ISE) applications and Particle size distribution analysis in soil, Automatic weighing and filtration of the sample, Automatic sample pipetting etc.. Combinations of analyses or custom-made applications are also possible. All applied methods are in compliance with international regulations ISO, EPA, Standard Methods, DIN etc.

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Features

Automatic addition of dilution water
Automatic ATU dispensing
Automatic Seed dispensing
Automatic capping/ de-capping
Automatic sample pipetting
Automatic incubation

EC / pH / titrations / turbidity / color / ISE analysis

The SP2000 robot offers water laboratories a complete “walk-away” concept. The typical parameters for water quality control such as dissolved oxygen, alkalinity, pH, conductivity, color (UV/VIS) including filtration, turbidity can be fully automated.

Original sample collection bottles can be placed directly on the robot, avoiding any need for manual sample transfer. An integrated barcode scanner reads the barcode on the sample collection bottle. The sample ID, including the parameters to be analyzed, become visible in the sample table. The SP2000 automatically starts the analysis on this sample according to the data shown in the sample table. The results are directly visible after analysis.

Depending on the application, calibration of the instrumentation can be performed automatically to ensure an accurate performance. Quality control checks and standards can be placed in between samples and probes can be re-calibrated automatically.

Particle size distribution analysis

Soil classification is based on several factors such as absorption, the ability to shrink or swell, water retention and permeability. Most of these factors independently correlate with the particle size of the soil. The clay fraction, the smallest fraction (0-2 micron), is indispensable in assessing soil quality. The clay fraction is measured according to for instance ISO 11277/17892-4 and allows the soil to be categorized within stated classes.

The analysis is carried out in three steps:

Weighing the sample and separating the fractions
Removal of organic matter and carbonates
Determination of the clay fraction

Skalar has developed a concept to automate the second and third step in this process. Automation of these steps is of particular interest because they can now be carried out fully automatic and with precise timing and pick up heights. The removal of organic matter and carbonates is automated on the SP50 robotic analyzer. With the SP2000 platform the determination of the clay fraction is automated.

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