Please note that unless stated otherwise on the purchase order, all calibrated items come with a calibration recommendation interval of 1 year from the calibration date. In addition instruments that have been subjected to gross misuse, shipping and customer damage, or have been discontinued for 5 years or more will require a service estimate process. Our standard calibration and calibration with Data is guaranteed to be completed in 24 hours. Our Accredited calibration is typically completed in 72 hours.