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|Symptoms||Probable Causes||Suggested Corrections|
|Pro Series (SKUs SP100, SP150, TP120, SR200, SR300, TR220, TR320)||The battery will operate efficiently for 5 years at room temperature. Operation of the logger at the temperature extremes, in real-time mode for prolonged periods, or sample intervals of less than a minute, will significantly reduce battery life.||Please contact the factory if the battery requires replacement. The battery level monitor on the screen displays the battery voltage and a low battery warning when replacement is needed.|