Box: Plastic box (included) Calibration Certificate: Yes Density p: 7950 (± 140) kg/m&superscript_3; Design: One-piece (monobloc) Material: Stainless Steel Susceptibility X: 1 ≤ 0.03 Digital Readable Certificate - A card containing the certificate values in the form of a data matrix code can be read with any DMC scanning device for digital data transmission.