Campbell Met One 034A-L Návod k obsluze stáhnout pdf (Strana 53)

Manual

4: 30 Then Do

14: Z=F (P30)

1: 100 F

2: 00 Exponent of 10

3: 2 Z Loc [ RH ]

15: End (P95)

;IF RH>100, SET RH=100

16: Saturation Vapor Pressure (P56)

1: 1 Temperature Loc [ AIR_TEMP ]

2: 7 Loc [ SVP ]

;CALCULATING SATURATED VAPOR PRESSURE AS FUNCTION OF AIR TEMPERATURE

;IN KILO PASCAL [KPA]

17: Z=X*F (P37)

1: 2 X Loc [ RH ]

2: 0.01 F

3: 8 Z Loc [ VP ]

;THIS EQUATION CALCULATED THE FIRST STEP IN “VP=RH/100*SVP”

18: Z=X (P31)

1: 8 X Loc [ VP ]

2: 9 Z Loc [ AUX_SVP ]

;AUXILIARY STEP

19: Z=X*Y (P36)

1: 9 X Loc [ AUX_SVP ]

2: 7 Y Loc [ SVP ]

3: 8 Z Loc [ VP ]

;THIS IS THE RESULTING STEP IN “VP=RH/100*SVP”, IN [KPA]

20: Z=X-Y (P35)

1: 7 X Loc [ SVP ]

2: 8 Y Loc [ VP ]

3: 10 Z Loc [ VPD ]

;CALCULATING “VPD=SVP-VP”, VPD = VAPOR PRESSURE DEFICIT, IN [KPA]

21: If (X<=>F) (P89)

1: 3 X Loc [ SOLAR_RAD ]

2: 4 <

3: 0.0 F

4: 30 Then Do

22: Z=F (P30)

1: 0.0 F

2: 00 Exponent of 10

Annexes

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Campbell Met One 034A-L Návod k obsluze Strana 53