锤子
General Information Serial Numbers All inquires concerning our product should refer to the serial number of the unit. Serial numbers are located on the rear of the chassis. Calibrations All electrical apparatus is calibrated at rated voltage and frequency. While the flow will stay calibrated, the peak will vary. Warranty Harvard Apparatus warranties this instrument for a period of one year from date of purchase. At its option, Harvard Apparatus will repair or replace the unit if it is found to be defective as to workmanship or material. This warranty does not extend to damage resulting from misuse, neglect or abuse, normal wear and tear, or accident. This warranty extends only to the original customer purchaser.
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