Designed specifically for monitoring carbon dioxide levels indoors for air-quality assurance, the TinyTag TGE-0010 data logger can take readings of CO2 concentrations from 0 to 2,000 ppm with a resolution of 0.1 ppm and an accuracy better than ± (50 ppm +2% of measured value). The logger uses an NDIR sensor that is automatically calibrated to compensate for aging using a second internal IR source.
The logger, which has user-setable concentration-level alarms, can store 32,000 actual, min, or max readings in NV memory at intervals from 1 min to 10 days with delayed start up to 45 days. It can be set to stop when memory is full, after n readings, or never (overwrite oldest data). Data from the 100-g, 85 x 100 x 26-mm logger can be downloaded during or after logging to a PC via a USB connection, and viewed as graphs and tables using Tinytag Explorer software. The unit is mains-powered from the included universal power supply and has a CR2325 button-cell backup battery. For more specialised situations a 0 to 5,000-ppm version is also available. (From € 541,45 with software and cables, less 19% VAT for U.S. available 1 week after receipt of payment.)
By Richard Comerford
Priggen Special Electronic (PSE) , Steinfurt , Germany
Information 011-49-2551-5770
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