The kryptons were checked in the chamber at 10C. The density range went from 1 to 9 g/m^3.

sensor

error range (g/m^3)

1525

   1.52 to 3.00

1389

   1.01 to 1.56

1390

   0.65 to 0.81

1393

   -0.21 to 0.02

1394

  2.49 to 3.43

1133

   1.88 to 2.47

1258

   1.95 to 2.32