Crystal XP2i-DP Digital Differential Pressure Gauge - Manual (Page 8)

Virtual Instruments  8
XP2i LabVIEW Drivers Manual
XP2i Version Query.vi
Returns the version of firmware that is loaded into the unit. Not all XP2is support this command.
X Inputs and outputs
Version. . . . . . . . . . . . . . . . . . . . . . . . . . The version number of the firmware, usually in a Ryyxx format, where yy represents the hardware version and xx represents
the firmware version.
XP2i Zero command.vi
This VI will zero the reading on the unit by basically subtracting what is currently displayed from all subsequent readings.
X Inputs and outputs
Only standard VISA handles and error clusters.
XP2i Zero Query.vi
XP2i Zero Query will return the current zero value that is being subtracted from the displayed reading.
X Inputs and outputs
Zero . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Zero value in the currently displayed units.
Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . Units of the zero value. Valid values are: PSI, inH
2
O, inHg, kpa, mmHg, Bar, mBar, and kg/cm 2 .
Zero (in PSI) . . . . . . . . . . . . . . . . . . . . . The zero value, converted to PSI.