Crystal XP2 User Manual

PN: 2975 Rev F, 3/2004
Page 11 of 24
C R Y S T A L
engineering corporation
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
Water Density
?H2O Applies only to models with that include inches of water. Water density returns
the current density of water in terms of temperature with one of three values
possible:
_4C
60F
68F
Tare Check
?Z,U Tare 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 XP2 is reset, the tare is cleared, and equals zero.
32.7
kPa
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 engineering unit.
For example, a 100 PSI XP2 would return
100.00
PSI
Model
?MOD Return the model name, up to 20 characters long. For example, a 100 PSI XP2,
dual display would return the following:
100PSIXP2
Version
?VER Version returns the XP2’s firmware version as a 4 digit number preceded by the
letter “R”. This number is for factory use, only. This command also causes the
version to be displayed on the unit’s LCD.
Example Version Number:
R0101

Crystal XP2 Specifications

General

Accuracy	±0.25% FS
Display	LCD
Pressure media	Non-corrosive gases
Operating temperature	32°F to 122°F (0°C to 50°C)
Measurement Range	0 to 15 psi
Operating Humidity	90% RH (non-condensing)