Crystal GaugeCalxp Instruction Manual
GaugeCalxp
Operator Instructions
™
PRESSURE COMPARATOR
10000 PSI–700bar
C R Y S T A L
engineering corporation
Page 2 • GaugeCalXP Operator Instructions
Introduction
Thank you for purchasing a GaugeCalXP™
Pressure Calibrator from Crystal Engineer-
ing. The GaugeCalXP is a self contained,
precision hydraulic pressure generator
intended for the calibration of pressure
gauges rated up to 700 bar or 10,000 PSI.
Two pressure ports are provided. Connect
a reference grade gauge on one port (we
recommend an XP2i from Crystal Engineer-
ing) and the gauge to be tested on the
second port. Rotate the handle clockwise
until the desired pressure is generated.
Then, compare the displayed pressure val-
ues between the reference gauge and the
gauge under test.
PRESSURE is Our BUSINESS
®
Pressure can be set very quickly and pre-
cisely. Gauges can be calibrated in less than ten minutes (5 to 10 test points, increasing and decreasing pressure) if you
follow the method outlined in this manual. The comparator can be lled with your choice of uid: water, oil or isopropyl
alcohol.
The GaugeCalXP is much, much faster to use than a deadweight tester, and it’s also faster than most automated pressure
controllers, but it costs much less than either. It’s so quick and easy to use, it’s ideal to calibrate those low cost gauges that
are often overlooked for ISO9000 compliance. Please spend a few minutes to read this manual, and learn how you can
get the most benet from your GaugeCalXP.
Specifications
Performance
Maximum Pressure . . . . . . . . . . . . . . .10,000 PSI / 700 BAR
Minimum Pressure . . . . . . . . . . . . . . . . . . . . . . 5 PSI / 0.5 BAR
Burst Pressure . . . . . . . . . . . . . . . . . >20,000 PSI / 1400 BAR
Materials
Ram/Adapters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316SS
Body . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Aluminum
Seals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Buna N (Nitrile)
Test Media. . . . . . . . . . . . . Water, Oil, or Isopropyl Alcohol
C R Y S T A L
engineering corporation
Dimensions
Width (of base) . . . . . . . . . . . . . . . . . . . . . . . . 175mm (6.88”)
Length (of base) . . . . . . . . . . . . . . . . . . . . . . 429mm (16.88”)
Length (overall) . . . . . . . . . . . . . . . . . . . . . . . 495mm (19.50”)
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.4kg (14.2 lbs)
Accessories (included)
Adapters . . . . . . . . . . . . . . . . . . . . . . . 1/4” and 1/2” NPT std.
Wrenches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Shipping Information
Shipping Weight . . . . . . . . . . . . . . . . . . . . . . . . . 8.6kg (19 lbs)
Dimensions . . . . . . . . . . . . . . .559mm x 305mm x 229mm
(22.0” x 12.0” x 9.0”)
GaugeCalXP Operator Instructions • Page 3
Baseplate16.25mm
[0.64”]
19.4mm
[0.76”]
O/ 10mm [O/ 0.39”], 4 places
Maximum bolt size, 8mm or [5/16”]
174.9mm
[6.88”]
142mm
[5.60”]
390mm
[15.35”]
428.8mm
[16.88”]
Gauge
Adapter
Flange
Stem
Stem Nut
Flange
Base
Quick-
Connect
Gauge
Adapter
Stem
Adapter
Flange
Base
Operation
For safe and reliable operation of your
GaugeCalXP Pressure Comparator, please
spend a few minutes reading the follow-
ing instructions.
1 Mount the comparator to your bench
or table: At higher pressures the force
required to rotate the handle may
cause the base of the comparator to
lift. We recommend that the compara-
tor be bolted to your bench or table.
Refer to Figure 1 for the hole pattern
and suggested bolt sizes.
2 Install the ange stem or stem adapters:
There are two (2) stainless steel ange bases. Each base has a 1/4” female (tapered) NPT thread. These bases are in-
tended to have either a ange stem (Figure 2) or stem adapter (Figure 3) for quick connectors installed. It is possible
to install an XP2i reference gauge directly into the base, but this is practical if only one XP2i will be regularly used
with the comparator.
Figure 1. GaugeCalXP Pressure Comparator mounting hole pattern.
One ange stem is supplied with the
comparator, and installed into a base
ange. If testing is limited to 5000 PSI
(350 bar) or less, quick connect ttings
that eliminate wrenches, thread tape or
sealant, may be used. Use PTFE thread
tape when installing either the ange
stem(s) or the stem adapter(s) into the
ange base(s).
3 Fill the reservoir: The reservoir holds
Figure 2. Two stainless steel gauge adapters are supplied with
the GaugeCalXP Pressure Comparator.
Figure 3. O ptional quick-connect gauge adapters allow quick
interchange of gauges without the need for sealing tape or
wrenches.
the test uid that lls the system each
time you test a gauge. The test uid can be either water, lightweight hydraulic oil, or isopropyl alcohol. Wind the han-
dle fully counter-clockwise, then clockwise for at least 10 turns (this prevents uid ow through the comparator and
potential uid spillage). Then ll the reservoir with test uid to within 6mm (1/4”) of the top. Turn the handle counter-
clockwise until you see the uid level in the reservoir drop. This lls the system with uid and removes any trapped
air bubbles. The reservoir cap has an o-ring to allow the GaugeCalXP to be transported with the test uids in place.
Due to the sealing capabilities of the cap, it must be removed or ajar during testing to allow proper equalization of the
system.
C R Y S T A L
engineering corporation
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