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Services <br />DEM ECH <br />Technical services for the geosynthetics industry <br />CALIBRATION CERTIFICATE <br />Customer Name: <br />Unit Make & Model Number: <br />Tensiometer Serial Number: <br />Device Calibrated: <br />Range: <br />Model No: <br />Serial No: <br />Readout Model No: <br />Readout Serial No: <br />Channel No: <br />Indicator reading with no load: <br />Applied Force lbs. <br />2 <br />52 <br />102 <br />152 <br />202 <br />252 <br />302 <br />'' <br />Poly-Flex Construction, Inc. <br />A,ccura-Cite AL-0102 <br />NAL-0022 <br />S-Type load cell <br />0 - 500 lbs. Tension <br />M2300-500 <br />167155 <br />-2840AG-24123 <br />06101540-63 <br />N/A <br />0 <br />Output (mv): Display reading: <br />0.522 <br />1.431 <br />3.374 <br />5.323 <br />7.27 <br />9.2 i 4 <br />11.149 <br />Deviation Error: <br />Total Deviation Error (%): 0.00°~ <br />Temperature at time of calibration: 73 degrees F <br />Exitation Voltage: 10 V DC <br />Scale Factor (1): 1946 Offset (i): 15 <br />Scale Factor (2): 1930 Ofrset (2): 15 <br />', Brake point: 1770 Calibration Check;* 0 <br />This calibration conforms to the standards set by ASTM E4 and is traceable to NISI standards <br />~ INote: Readout and load cell above have been systems calibrated and are considered a <br />matched pair. In oeneral, calibrated readouts and load cells are not interohangeable. i <br />'i Calibrated by: Gus F ci Data: 06!18/02 <br />~ ~, <br />~~ <br />'I <br />Toll Free: (888) 324-9353 Office: (530J 621-3200 Fax: (530) 621-0150 <br />P.O. Box 2165, Placerville, CA 95667 6414 Capitol Ave., Diamond Springs, CA 95619 <br />vsww.demtech.net <br />11o volt x <br />220 Volt <br />Lbs. X <br />Kg. <br />Calibration Apparatus: <br />Dead Weight system w/ <br />Fluke Model 187 Multimeter <br />W1 2 R1 176 <br />W2 152 R2 1770 <br />W3 302 R3 3700 <br />