Campbell Scientific BlackGlobe Temperature Sensor for Heat Stress - Manual (Page 23)

Appendix B. Edlog Programming Examples
;Dewpoint calculation.
15: Z=X*F (P37)
1: 10
X Loc [ VP_kPa ]
2: 1.63725 F
3: 20
Z Loc [ scratch1 ]
16: Z=LN(X) (P40)
1: 20
X Loc [ scratch1 ]
2: 20 Z Loc [ scratch1 ]
17: Z=X*F (P37)
1: 20
X Loc [ scratch1 ]
2: 241.88 F
3: 21
Z Loc [ scratch2 ]
18: Z=F x 10^n (P30)
1: 17.558 F
2: 0
n, Exponent of 10
3: 22 Z Loc [ scratch3 ]
19: Z=X-Y (P35)
1: 22
X Loc [ scratch3 ]
2: 20 Y Loc [ scratch1 ]
3: 22 Z Loc [ scratch3 ]
20: Z=X/Y (P38)
1: 21
X Loc [ scratch2 ]
2: 22 Y Loc [ scratch3 ]
3: 7 Z Loc [ DewPnt_C ]
21: If (X<=>Y) (P88)
1: 7
X Loc [ DewPnt_C ]
2: 3 >=
3: 4 Y Loc [ AirTempC ]
4: 30 Then Do
22: Z=X (P31)
1: 4 X Loc [ AirTempC ]
2: 7 Z Loc [ DewPnt_C ]
23: End (P95)
;Mean site pressure at elevation of 1357.58 meters.
24: Z=F x 10^n (P30)
1: 86.0437 F
2: 00
n, Exponent of 10
3: 17 Z Loc [ SP_kPa ]
;Wet-bulb calculation
25: Z=X (P31)
1: 4
X Loc [ AirTempC ]
2: 14 Z Loc [ UpperTmp ]
B-3