Crystal XP2i-DP Digital Differential Pressure Gauge - Manual (Page 5)

Overview  3
XP2i Programming Instruction Manual
Pressure (one line)
?PRE . . . . . . . .Returns data and units on one line, and separates the reading and units with a comma.
Example:
2.01,PSI
Pressure, High
?P,H . . . . . . . .Pressure, High returns the stored peak pressure value, in whatever pressure units are currently being displayed.
91.3
mmH2O
Pressure, Low
?P,L . . . . . . . .Pressure, Low returns the peak low, or “valley” measurement, in the pressure units currently being displayed.
-10.7
mmH2O
range
?RNG . . . . . . . .Range, returns the pressure range of the gauge. It is returned in two, 10 character lines.
The first line is the value, the second line is the pressure unit. For example, a 100 PSI XP2i would return.
100.00
PSI
return average Pressure
?P,A . . . . . . . .Using the same format as the “?P,U” command, the average pressure is returned. If averaging is disabled, “X,0” is returned.
Enable averaging through ConfigXP.
return the average Window Size
?AVS . . . . . . . .The average sample size is returned. If averaging is disabled, “X,0” is returned. Enable averaging through ConfigXP.