ISO-17025 Accredited Calibration with Certificate and Measured Data for all Graphtec GL860M Data Loggers (For example, if a GL860 and two B-563 blocks are ordered, 2 calibration certificates are needed). Includes data. This item is NOT included with a new unit and should be purchased at the same time as the new unit. Shipping charges will apply if not ordered at time of logger purchase. This item DOES NOT ship same-day. Please allow 4 week lead time.
