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Drain Gauge User's Manual <br />4. Collecting Data <br />;Shift previous water level measurement <br />1: Z=X (P31) <br />1: 1 X Loc [ WatrLevel ] <br />2: 2 Z Loc [ PrevLevel ] <br />;Read water level sensor and set current <br />;water level <br />2: Excite -Delay (SE) (P4) <br />1: 1 Reps <br />2: 5 2500 mV Slow Range <br />3: 1 SE Channel <br />4: 1 Excite all reps w/Exchan 1 <br />5: 1 Delay (0.01 sec units) <br />6: 2500 mV Excitation <br />7: 1 Loc [ WatrLevel ] <br />8: 1.0 Mult <br />9: 0.0 Offset <br />;compare previous water level to current <br />;level <br />3: Z=X-Y (P35) <br />1: 1 X Loc [ WatrLevel ] <br />2: 2 Y Loc [ PrevLevel ] <br />3: 3 Z Loc [ DeltaWL ] <br />;Set threshold for identification of siphon <br />;event (10 mV decrease over 1 second) <br />4: If (X<=>F) (P89) <br />1: 3 X Loc [ DeltaWL ] <br />2: 4 < <br />3: -10 F <br />4: 30 Then Do <br />;set 10s period for outputting water <br />;level data to final storage after siphon <br />;flush slows <br />5: Z=F x 10^n (P30) <br />1: 1 F <br />2: 1 n, Exponent of 10 <br />3: 4 Z Loc [ counter ] <br />6: End (P95) <br />7: If (X<=>F) (P89) <br />1: 4 X Loc [ counter ] <br />2: 3 >_ <br />3: 1 F <br />4: 30 Then Do <br />;counter = counter -1 <br />8: Z=X+F (P34) <br />1: 4 X Loc [ counter ] <br />r <br />28 <br />