If I have multiple different devices to calibrate, all with different ranges, how does the MicroCal accomodate those sensors?

The MicroCal Calibrator allows the user to easily swap the pressure references in the field. 

The unit has two "nests" for the reference modules (MCPM) for calibration flexibility. 

However, additional MCPMs can be purchased to ensure you maintain proper calibration ratios. The MicroCal will still let calibration occur as long as the Unit Under Test (UUT) is below one of reference standards, however the calibration ratio would need to be verified to ensure calibration is accurate.