Chemitec’s S250 is a complete system for taking respirometric measurements, featuring parameter setting via a dedicated display and measurement management software (Windows 98 or higher). 

FEATURES 

• Fully-portable system housed in shock-resistant aluminium case
• Measurements displayed in graphical and tabular form
• Accuracy ± 1% of the f.s. at constant temperature
• Storage of measurements and relative graphics with printing option
• 500 ml flask with airtight stopper
• Stirring/oxygenation unit powered by rechargeable batteries or 220 V mains power
• Thermo-compensated fluorescent optical sensor 

SPECIFICATION

 • Selectable measuring ranges: 0.00 ÷ 3.00/5.00/10.0/20.0 ppm of O2
• Selectable measuring times: 1 minute - 60 minutes