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, <br />1 <br />i <br />J <br />J <br />J <br />ftopi Eobj"OaroR <br />VW Piezometer Calibration Report <br />Customer <br />Buckhorn Geotech <br />Serial No. <br />82416 T <br />Cust. No. <br />38188 <br />Part No. <br />52611034 <br />Order No. <br />17197 <br />Range <br />0 -100 PSI <br />Date <br />10- May -05 <br />Cable <br />50613524 <br />Cal. By. <br />kb <br />Length <br />45 m <br />Note <br />50.0 <br />2608.81 <br />0.00 <br />60.0 <br />Conversion Factors for Serial No. 82416 T <br />-0.01 <br />Referenced To Standard Atmosphere* <br />2409.70 <br />Manual ABC Factors <br />IDA ABC Factors <br />Units A B C <br />A B <br />Psi <br />ft H2O <br />kN /m2(kPa) <br />m H2O <br />bar <br />kg /cm2 <br />-0.000021520 <br />0.0074253 <br />177.09 <br />-0.000049639 <br />0.017128 <br />408.48 <br />- 0.00014837 <br />0.051196 <br />1221.0 <br />- 0.000015130 <br />0.0052205 <br />124.51 <br />-0.0000014837 <br />0.00051196 <br />12.210 <br />- 0.0000015130 <br />0.00052205 <br />12.451 <br />Temp. Coefficents (m = 0.0148 PSI / °C, b = -0.337 PSI) <br />C <br />- 38.257 <br />9.9004 <br />177.09 <br />- 88.246 <br />22.837 <br />408.48 <br />- 263.77 <br />68.261 <br />1221.0 <br />- 26.897 <br />6.9607 <br />124.51 <br />- 2.6377 <br />0.68261 <br />12.210 <br />- 2.6897 <br />0.69607 <br />12.451 <br />IF Factor <br />= T <br />0.02 <br />Test Data <br />Referenced To Standard Atmosphere* <br />TempOffset: -0.2 °C <br />PSI <br />Frequency <br />% FS Error <br />-5.0 <br />3086.30 <br />-0.02 <br />0.0 <br />3046.25 <br />-0.01 <br />10.0 <br />2964.49 <br />0.02 <br />20.0 <br />2880.00 <br />0.02 <br />30.0 <br />2792.73 <br />0.01 <br />40.0 <br />2702.54 <br />0.02 <br />50.0 <br />2608.81 <br />0.00 <br />60.0 <br />2511.38 <br />-0.01 <br />70.0 <br />2409.70 <br />-0.02 <br />80.0 <br />2303.31 <br />-0.02 <br />90.0 <br />2191.57 <br />0.00 <br />100.0 <br />2073.35 <br />0.02 <br />Calibrated at = 21.9 °C <br />Thermistor Reading = 21.7 °C <br />*Standard Atmosphere = 14.696 psi, 1013 millibar. <br />