Crystal XP2i-DP Digital Differential Pressure Gauge User Manual
Page 6
Overview
4
XP2i Programming Instruction Manual
Serial number
?SN#
. . . . . . . . The serial number is returned in two strings. A typical example is shown below:
3
12659
Version
?VER
. . . . . .Version returns the XP2i’s firmware version as a 4 digit number preceded by the letter “
R
”. This number is for factory use only.
Example version number:
R0101
Water density
?H2O
. . . . . . . .Applies only to models that include inches of water. Water density returns the current setting for the density of water in terms of
temperature with one of three values possible:
_4C
60F
68F
Zero check
?Z,U
. . . . . . . .Zero Check reveals how much was subtracted from the reading to zero the gauge in the pressure units currently being displayed.
When batteries are installed or the XP2i is reset, the zero is cleared and equals zero.
32.7
kPa