Post IHOP TRH checks
Each TRH usd in IHOP was tested in the temperature bath and the
humidity chamber. The table below shows the error span for
each sensor.
sensor Site* T span (0 to 45) RH span (10 to 90)
001 4 -.15 to -.09 1 to -2
003*** 7 -.01 to .02 1 to -2.5
004 3 -.01 to -.02 1 to -4
005 2 .0 to -.06 .5 to -3
007 9 -.01 to .0 .5 to -2
104** 5 .0 to -.04 .5 to -.5
204 1 -.02 to -.02 1 to -1
206*** 7 .0 to .01 1 to 1
701 6 .0 to -.03 1 to 1.5
702 spare .0 to -.03 .5 to -2.5
703 8 -.02 to -.02 1.5 to 2
704** 5 .04 to .06 2 to -2
*see entries 25,27,28,31,32,33,37,38,89,314
**s/n 104 was replaced by s/n 704 on May 12, see entry 74
***s/n 206 was replaced by s/n 003 on May 28, see entry 158