![background image](http://html1.mh-extra.com/html/campbell/cs500/cs500_instruction-manual_3785177014.webp)
CS500 Temperature and Relative Humidity Probe
10
Example 1. Sample CR10(X) Program that Computes Vapor Pressure
and Saturation Vapor Pressure
;Measure the CS500 temperature.
;
01: Volt (SE) (P1)
1:
1
Reps
2:
5
2500 mV Slow Range
;CR500 (2500 mV); CR23X (1000 mV); 21X,
CR7 (5000 mV)
3:
3
SE Channel
;Black wire (SE 3), Green wire (G)
4:
1
Loc [ T_C ]
5:
.1
Mult
;See Table 2 for alternate multipliers
6:
-40
Offset
;See Table 2 for alternate offsets
;Measure the CS500 relative humidity.
;
02: Volt (SE) (P1)
1:
1
Reps
2:
5
2500 mV Slow Range
;CR500 (2500 mV); CR23X (1000 mV); 21X,
CR7 (5000 mV)
3:
4
SE Channel
;Brown wire (SE 4), Green wire (G)
4:
2
Loc [ RH_frac ]
5:
.001
Mult
;See Table 3 for alternate multipliers
6:
0
Offset
;Limit the maximum value of relative humidity
;to 1 (expressed as a fraction).
;
03: If (X<=>F) (P89)
1:
2
X Loc [ RH_frac ]
2:
3
>=
3:
1
F
4:
30
Then Do
04: Z=F (P30)
1:
1
F
2:
0
Exponent of 10
3:
2
Z Loc [ RH_frac ]
05: End (P95)
;Compute the saturation vapor pressure in kPa.
;The temperature must be in degrees Celsius.
;
06: Saturation Vapor Pressure (P56)
1:
1
Temperature Loc [ T_C ]
2:
3
Loc [ e_sat ]
Содержание CS500
Страница 4: ...This is a blank page...
Страница 16: ...CS500 Temperature and Relative Humidity Probe 12 This is a blank page...
Страница 17: ...This is a blank page...