Skalar Analytical - SP Series

Manufactured by  Skalar Analytical
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Complete robotic automation for BOD, COD, pH, EC, Alkalinity, Carbonate/Bicarbonate, Turbidity, Color, ISE, Phosphate, Nitrate and many others

Skalar's extensive range of Robotic Analyzers offers the routine analytical laboratories flexible and tailor-made automation solutions. Automation is available for e.g. BOD, COD, pH, Conductivity (EC), Alkalinity, Carbonate/Bicarbonate, Turbidity, Color, Ion Selective Electrodes (ISE) applications and Clay fraction analysis etc.. Combinations of analyses or custom-made applications are possible. All applied methods are in compliance with international regulations ISO, EPA, Standard Methods and DIN etc. 
 
The Robotic line consists of four different models: 
 
SP10 (small sized batches) 
SP50 (Medium sized batches) 
SP1000 (Large sized batches) 
SP100 (Large sized batches) 
Every model has their specific advantages, but all providing hands-free, walk-away automation. Each Robot has a different capacity, from small to large sample batches and from small to large sample volumes. 
 
The design of the Robotic Analyzers allows the instruments to meet your exact requirements resulting in increased productivity and accuracy of results, while reducing the sample turn-around time, costs per sample and eliminating errors and operator/sample interaction. 
 
The analyzers are equipped as standard with a probe and stirrer and optionally the analyzer can be extended with dispenser(s) and diluent pump(s). Some models have multiple probe(s) and automatic bottle (de)-capper possibilities. Various removable sample racks are available for both standard and customized sample containers. A range of detectors (up to 6) can be connected to the analyzer for multiple analyses either sequential or simultaneous depending on application and analyzer model. Standard commercially available meters and probes are used. 
 
Optionally the system can be configured as a pipetting station that can dilute the original sample to different sized vials, which can be offered to different instruments for analysis. 
 
The analyzers are supplied with software for data handling and instrument control. The versatility and flexibility of the analyzers and the software allows an easy integration into any laboratory environment.
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Features of SP Series

The BOD analysis is one of the most common applications for water laboratories. The test is used as an indication of the organic quality of water. All Skalar Robotic Analyzers can provide the automation for BOD according to EPA 405.1/ISO 5815-1. Various possibilities are available based on the sample load, budget and the level of automation. From 32 up to 120 BOD bottles can be set as uninterrupted sample batches. Sample trays can be added during analysis runs to handle any required sample load. 

The analyzers can hold all available standard BOD bottles, and a wide range of sample trays are provided for various incubators. The automation of the labor-intensive BOD application can save up to 85% of operator time and provides the required consistency for the application. 

A typical BOD analysis sequence: 

Steps of Automation  Pippetting of the sample (option)  Addition of Nitrification inhibitor (ATU) and/or Seed  Addition of dilution water  Sample homogenization  Measurement of initial Dissolved Oxygen value (DO1)  Probe/stirrer rinsing between each measurement  Bottle capping/decapping (option)  Measurement of final DO2 value  Calculation of BOD according required regulations  Samples are pipetted, either manual or automatically (option), into the BOD bottles and the identity and the dilutions are entered or downloaded from LIMS into the sample table. Bottles are placed in the racks and placed on the Robotic Analyzer. Analyzer is started by operator. The manipulator sets the Oxygen probe in position, bottle is capped and filled with Nitrification inhibitor (ATU) and/or seed (option) and dilution water. Sample is then stirred and the initial Oxygen value is measured. The bottle is capped and the Oxygen probe and stirrer are rinsed before going to the next sample. The same procedure is followed until a value is recorded for all samples. The sample racks are placed in a 20°C incubator for 5 days. After incubation the racks are placed on the Robotic analyzer. The operator starts the analyzer. The bottle is decapped. The sample is stirred and the final Oxygen value is measured. The BOD value is calculated. The bottle is capped or the cap is discarded in a collector (SP100 only). This procedure is repeated until all samples are measured. The data can be presented on screen, printed or converted to a file compatible with other software and LIMS's. 

If there is a requirement for other analyses such as pH, conductivity, alkalinity and turbidity then these methods can be combined with BOD on the same robot.

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