Chekout the datalog printout. Negative density can be a problem :-)
$TEX,Rho[kg/m^3],_TAT[K],_TAT[C],_uTAT[K;C],_p[Pa],Viscosity[Pas1e-6],hour,minute,second,month,day,year,millis
$TEX,-1.268252,-273.21,-546.36,0.50,101325.00,46.007809,22,15,10,1,21,2016,1804640
$TEX,1.291896,273.40,0.25,0.50,101325.00,17.930244,22,30,10,1,21,2016,2704645
$TEX,-1.267697,-273.33,-546.48,0.50,101325.00,45.991993,22,45,10,1,21,2016,3604650
$TEX,1.291612,273.46,0.31,0.50,101325.00,17.931444,23,0,10,1,21,2016,4504655
$TEX,-1.268252,-273.21,-546.36,0.50,101325.00,46.007809,23,15,10,1,21,2016,5404660
$TEX,-1.267975,-273.27,-546.42,0.50,101325.00,45.999897,23,30,10,1,21,2016,6304667
$TEX,-1.264516,-274.02,-547.17,0.50,101325.00,45.901535,23,45,10,1,21,2016,7204673
$TEX,-1.263643,-274.21,-547.36,0.50,101325.00,45.876766,0,0,10,1,22,2016,8104679
$TEX,-1.261946,-274.58,-547.73,0.50,101325.00,45.828712,0,15,10,1,22,2016,9004685
$TEX,-1.260482,-274.90,-548.05,0.50,101325.00,45.787338,0,30,10,1,22,2016,9904691
$TEX,-1.262496,-274.46,-547.61,0.50,101325.00,45.844273,0,45,10,1,22,2016,10804697
Chekout the datalog printout. Negative density can be a problem :-) $TEX,Rho[kg/m^3],_TAT[K],_TAT[C],_uTAT[K;C],_p[Pa],Viscosity[Pas1e-6],hour,minute,second,month,day,year,millis $TEX,-1.268252,-273.21,-546.36,0.50,101325.00,46.007809,22,15,10,1,21,2016,1804640 $TEX,1.291896,273.40,0.25,0.50,101325.00,17.930244,22,30,10,1,21,2016,2704645 $TEX,-1.267697,-273.33,-546.48,0.50,101325.00,45.991993,22,45,10,1,21,2016,3604650 $TEX,1.291612,273.46,0.31,0.50,101325.00,17.931444,23,0,10,1,21,2016,4504655 $TEX,-1.268252,-273.21,-546.36,0.50,101325.00,46.007809,23,15,10,1,21,2016,5404660 $TEX,-1.267975,-273.27,-546.42,0.50,101325.00,45.999897,23,30,10,1,21,2016,6304667 $TEX,-1.264516,-274.02,-547.17,0.50,101325.00,45.901535,23,45,10,1,21,2016,7204673 $TEX,-1.263643,-274.21,-547.36,0.50,101325.00,45.876766,0,0,10,1,22,2016,8104679 $TEX,-1.261946,-274.58,-547.73,0.50,101325.00,45.828712,0,15,10,1,22,2016,9004685 $TEX,-1.260482,-274.90,-548.05,0.50,101325.00,45.787338,0,30,10,1,22,2016,9904691 $TEX,-1.262496,-274.46,-547.61,0.50,101325.00,45.844273,0,45,10,1,22,2016,10804697