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Services <br />• DEM ECH <br />Technical services for the geosynthetics industry <br />CALIBRATION CERTIFICATE <br />110 volt X <br />Customer Name: Poly -Flex Construction, Inc. 220 Vot <br />Unit Make 8 Model Number Accura -Cite AL -0102 Lbs. X <br />Tensiometer Serial Number: NA1. -0022 Kg. <br />Device Calibrated: S -Type load cell Calibration Apparatus: <br />Range: 0 - 500 lbs. Tension Dead Weight system w/ <br />Model No M2300 -500 Fluke Model 187 Multimeter <br />Serial No 167155 <br />Wt 2 R1 76 <br />Readout MOdet No. 2840AG24123 W2 152 R2i 1770 <br />Readout Serial IN 0610154063 W3 302 R3 3700 <br />Channel No WA <br />Indicator reading with no load: L� <br />Applied Force lbs. Output (mv): Display reading: Deviation Error. <br />2 j9.214 2 ED.00 <br />52 52 <br />102 102 <br />5.323 000 <br />• 202 202 <br />252 252 302 <br />Total Deviation Error <br />Temperature at time of calibration: 73 degrees F <br />Exitation Voltage: 10 V DC <br />Scale Factor (1) 1946 Offset (1). 16 <br />Scale Factor (2) 1930 Offset (2) 1 15 <br />Brake point: 1770 Calibration Check # 0 <br />This calibration conforms to the standards set by ASTM E4 and is traceable to NIST standards <br />Note: Readout and load cell above have been systems calibrated and are considered a <br />matched pair. In general, calibrated readouts and load cells are not interchangeable. <br />Calibrated by: Gus FAlcii Date: 06M UO2 <br />f' <br />Toll Free: (888) 324 -9353 a Office: (5301621-3200 a Fox. (530) 621 -0150 <br />P.O- Box 2165, Placerville, CA 95667 e 6414 Capitol Ave., Diamond Springs, CA 95619 <br />www.demtech.net <br />