SAMWONTECH
4th Edition of TEMI880 IM : Jan. 29. 2007 Page 55 / 119
RH
RL
▶ This is a range input correction into dry temperature.
▶ Wet temperature and humidity have The same range input correction.
▶ S.PV = Sensor Temperature, B.PV = The temperature after correction, RL = Range Low,
RH = Range High
▶ POINTn.DPV = Basic Temperature, POINTn.DDV = Correction Temperature
( n = 1, 2, 3, 4 )
▶ B.PV of the RL ~ POINT1 range.
= S.PV + POINT1.DDV
▶ B.PV of the POINT1 ~ POINT2 range.
= S.PV + ( S.PV – POINT1.DPV ) X + POINT1.DDV
▶ B.PV of the POINT2 ~ POINT3 range.
= S.PV + ( S.PV – POINT2.DPV ) X + POINT2.DDV
▶ B.PV of the POINT3 ~ POINT4 range.
= S.PV + ( S.PV – POINT3.DPV ) X + POINT3.DDV
▶ B.PV of the POINT4 ~ RH range.
= S.PV + POINT4.DDV
Sensor BIAS Setting
POINT1.DPV POINT2.DPV
POINT3.DPV
POINT4.DPV
POINT1.DDV
POINT2.DDV
POINT3.DDV
POINT4.DDV
S.PV
B.PV
( POINT2.DDV – POINT1.DDV )
( POINT2.DPV – POINT1.DPV )
( POINT3.DPV – POINT2.DPV )
( POINT4.DPV – POINT3.DPV )
( POINT3.DDV – POINT2.DDV )
( POINT4.DDV – POINT3.DDV )
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