A calibrating system, the system comprising: a reference object comprising: predefined physical dimensions; an outside surface, whereby reference markings and one or more of a barcode and a digital watermark are applied to the outside surface of the reference object, the barcode and the digital watermark each containing encoded information regarding the predefined physical dimensions of the reference object; and a radio frequency identification, RFID, tag located on or within the reference object, the RFID tag including encoded information regarding the predefined physical dimensions of the reference object; and a dimensioner comprising: at least one sensor configured to remotely sense characteristics of the reference object; and a processing device; and a dimensioning unit configured to enable the processing device to: decode the encoded information from at least one of the barcode, the digital watermark and the RFID tag to obtain the predefined physical dimensions of the reference object and to determine a security code; verify that the reference object is genuine based at least in part on the security code decoded from one or more of the barcode and digital watermark matching or complementing the security code decoded from the RFID tag; calculate physical dimensions of the reference object from the remotely sensed characteristics; compare the calculated physical dimensions with the predefined physical dimensions to determine an error value; and calibrate the dimensioner to compensate for the error value. predefined physical dimensions; an outside surface, whereby reference markings and one or more of a barcode and a digital watermark are applied to the outside surface of the reference object, the barcode and the digital watermark each containing encoded information regarding the predefined physical dimensions of the reference object; and a radio frequency identification, RFID, tag located on or within the reference object, the RFID tag including encoded information regarding the predefined physical dimensions of the reference object; and a dimensioner comprising: at least one sensor configured to remotely sense characteristics of the reference object; and a processing device; and a dimensioning unit configured to enable the processing device to: decode the encoded information from at least one of the barcode, the digital watermark and the RFID tag to obtain the predefined physical dimensions of the reference object and to determine a security code; verify that the reference object is genuine based at least in part on the security code decoded from one or more of the barcode and digital watermark matching or complementing the security code decoded from the RFID tag; calculate physical dimensions of the reference object from the remotely sensed characteristics; compare the calculated physical dimensions with the predefined physical dimensions to determine an error value; and calibrate the dimensioner to compensate for the error value. at least one sensor configured to remotely sense characteristics of the reference object; and a processing device; and a dimensioning unit configured to enable the processing device to: decode the encoded information from at least one of the barcode, the digital watermark and the RFID tag to obtain the predefined physical dimensions of the reference object and to determine a security code; verify that the reference object is genuine based at least in part on the security code decoded from one or more of the barcode and digital watermark matching or complementing the security code decoded from the RFID tag; calculate physical dimensions of the reference object from the remotely sensed characteristics; compare the calculated physical dimensions with the predefined physical dimensions to determine an error value; and calibrate the dimensioner to compensate for the error value. decode the encoded information from at least one of the barcode, the digital watermark and the RFID tag to obtain the predefined physical dimensions of the reference object and to determine a security code; verify that the reference object is genuine based at least in part on the security code decoded from one or more of the barcode and digital watermark matching or complementing the security code decoded from the RFID tag; calculate physical dimensions of the reference object from the remotely sensed characteristics; compare the calculated physical dimensions with the predefined physical dimensions to determine an error value; and calibrate the dimensioner to compensate for the error value.