You can set up multiple Measurement Devices with the appropriate configurations. However, only one Measurement Device may be connected via USB per Workstation/Server Configuration. However, Measurement Devices which are connected via a unique IP address can be connected and used simultaneously.

See Page Geometry

The phenomenon by which two materials that match under one circumstance appear different to different viewers or under different lighting. Metameric mismatch occurs when tristimulus values are the same but spectral characteristics are not.