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SLOPE INDICATOR <br />VW Piezometer Calibration Report <br />Customer <br />Buckhorn Geotech Serial No. <br />82412 T <br />Cust. No. <br />38188 Part No. <br />52611030 <br />Order No. <br />17197 Range <br />0 -100 PSI <br />Date <br />10 -May -05 Cable <br />50613524 <br />Cal. By. <br />kb Length <br />500 ft <br />Note <br />3158.85 <br />-0.02 <br />Units <br />PSI <br />ft H2O <br />kN /m2(kPa) <br />m H2O <br />bar <br />kg /cm2 <br />Conversion Factors for Serial No. 82412 T <br />Referenced To Standard Atmosphere* <br />Manual ABC Factors IDA ABC Factors <br />A B. C A B <br />- 0.000023242 <br />- 0.000053611 <br />- 0.00016025 <br />- 0.000016341 <br />- 0.0000016025 <br />- 0.0000016341 <br />- 0.0050939 <br />- 0.011750 <br />- 0.035121 <br />-0.0035813 <br />- 0.00035121 <br />-0.00035813 <br />243.03 <br />560.59 <br />1675.6 <br />170.87 <br />16.756 <br />17.087 <br />Temp. Coefficents (m = 0.0150 PSI / °C, b = -0.319 PSI) <br />C <br />- 41.319 - 6.7918 <br />243.03 <br />- 95.308 - 15.666 <br />560.59 <br />- 284.88 - 46.828 <br />1675.6 <br />- 29.050 - 4.7751 <br />170.87 <br />- 2.8488 - 0.46828 <br />16.756 <br />- 2.9050 - 0.47751 <br />17.087 <br />IF Factor = T <br />Frequency % <br />TempOffset: <br />-0.3 °C <br />Calibrated at = 20.7 °C <br />Thermistor Reading = 20.4 °C <br />J <br />*Standard Atmosphere = 14.696 psi, 1013 millibar. <br />Test Data <br />Referenced To Standard Atmosphere* <br />PSI <br />Frequency % <br />FS Error <br />-5.0 <br />3158.85 <br />-0.02 <br />y 0.0 <br />3125.88 <br />-0.01 <br />10.0 <br />3058.77 <br />0.00 <br />20.0 <br />2990.31 <br />0.03 <br />30.0 <br />2920.02 <br />0.02 <br />40.0 <br />2848.15 <br />0.02 <br />50.0 <br />2774.48 <br />0.01 <br />60.0 <br />2698.76 <br />0.00 <br />70.0 <br />2620.87 <br />-0.03 <br />80.0 <br />2540.88 <br />-0.04 <br />90.0 <br />2458.64 <br />-0.01 <br />100.0 <br />2373.90 <br />0.04 <br />Calibrated at = 20.7 °C <br />Thermistor Reading = 20.4 °C <br />J <br />*Standard Atmosphere = 14.696 psi, 1013 millibar. <br />