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CALIBRATION
SERVICES, INC.
300 Buttertown Road
Emlenton, PA 16373
724-867-6664
ACCREDITED
724-867-1346 Fax
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Web: www.calibrationinc.com
Email: info@calibrationinc.com
ISO 17025-2005
Laboratory Accreditation Bureau
CERT # L 1174 |
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Specializing
in Service, Calibration, Retrofit, and Sales
of Physical Testing Equipment
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PROCEDURE FOR TESTING CONCRETE CYLINDERS
USING A FORNEY TESTING
MACHINE WITH A SPX PUMP AND A CO-PILOT DIGITAL
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Written by: William W. Stump
III
President Calibration Services, Inc.
November 30, 2007
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1.
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Turn
on digital. Allow to warm up for 15 Minutes prior
to use. |
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2.
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Insert
the bottom of the specimen into the bottom pad
base and center. Place the top pad base on the
specimen. Insert the entire assembly into the
testing machine and center it. |
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4.
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Start
the pump and move the piston in "Rapid Advance"
until you have ¼" of daylight. IMMEDIATELY put
the valve into "Metered Advance". |
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5.
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Check
the centering of the sample quickly. Press the
"ZERO" key. |
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6.
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Position
the valve into "RAPID ADVANCE" and preload the
sample to about 5000 to 10000 lbs. Put the valve
back into "METERED ADVANCE". |
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7.
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Wait
several seconds until the pump gets up to speed.
The test should start climbing at the appropriate
rate.
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rate, press the "FORCE" button and
the rate light will illuminate showing the
rate of loading in LBS per Second. |
| If it is too slow, turn
the star shaped know Counter Clockwise "CCW",
if it is too fast turn it Clockwise "CW".
Once you have the rate set, push the "Force"
button again to follow the load on the digital. |
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8.
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When
the sample fails, put the valve into "RETRACT"
and shut off the pump. The Digital will say "SAVE
TEST" "YES" Press the  DOWN
ARROW key until "NO" is present. Press the
key and the Peak Result will be displayed. |
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9.
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You
are now ready to test again. |
CALIBRATION
SERVICES, INC.
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300 Buttertown Road
Emlenton, PA 16373
(724) 867-6664 or (800) 793-1870
FAX (724) 867-1346
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key. The digital will say "Initializing"
then show the regular display. 
