Campbell-scientific Q7_1-L REBS Net Radiometer Manuel d'utilisateur télécharger pdf (Page 7)

Q-7.1 NET RADIOMETER

5

07: Do (P86)

1: 1* Call Subroutine 1*

08: Else (P94)

;Apply the negative calibration and

;wind speed correction.

;

09: Do (P86)

1: 2* Call Subroutine 2*

10: End (P95)

*Table 3 Subroutines

;Positive calibration and wind

;speed correction.

;

01: Beginning of Subroutine (P85)

1: 1* Subroutine 1

02: Z=X*F (P37)

1: 1* X Loc [ ws_m_s ]

2: .2 F

3: 6* Z Loc [ C ]

03: Z=X*F (P37)

1: 6* X Loc [ C ]

2: .066 F

3: 4* Z Loc [ A ]

04: Z=X+F (P34)

1: 6* X Loc [ C ]

2: .066 F

3: 5* Z Loc [ B ]

05: Z=X/Y (P38)

1: 4* X Loc [ A ]

2: 5* Y Loc [ B ]

3: 7* Z Loc [ Corr_Fact ]

06: Z=Z+1 (P32)

1: 7* Z Loc [ Corr_Fact ]

;Enter the positive multiplier (p.ppp).

;

07: Z=X*F (P37)

1: 2* X Loc [ Rn_mV ]

2:

p.ppp

F

3: 3* Z Loc [ Rn_W_m2 ]

08: Z=X*Y (P36)

1: 3* X Loc [ Rn_W_m2 ]

2: 7* Y Loc [ Corr_Fact ]

3: 3* Z Loc [ Rn_W_m2 ]

09: End (P95)

;Negative calibration and wind

;speed corrections

;

10: Beginning of Subroutine (P85)

1: 2* Subroutine 2*

11: Z=X*F (P37)

1: 1* X Loc [ ws_m_s ]

2: .00174 F

3: 4* Z Loc [ A ]

12: Z=X+F (P34)

1: 4* X Loc [ A ]

2: .99755 F

3: 7* Z Loc [ Corr_Fact ]

;Enter the negative multiplier (n.nnn).

;

13: Z=X*F (P37)

1: 2* X Loc [ Rn_mV ]

2:

n.nnn

F

3: 3* Z Loc [ Rn_W_m2 ]

14: Z=X*Y (P36)

1: 3* X Loc [ Rn_W_m2 ]

2: 7* Y Loc [ Corr_Fact ]

3: 3* Z Loc [ Rn_W_m2 ]

15: End (P95)

* Proper entries will vary with program, and

datalogger channel and input location

assignments.

** On the 21X and CR7 use 500 mV input

range.

*** For a Single-Ended measurement use

Instruction 1.

4. MAINTENANCE

4.1 DESICCANT

The Q-7.1 is supplied with heavy duty

polyethylene windshields (approximately 0.25

mm thick); no pressurization is required.

Air spaces inside the windshields are

connected to a dryer filled with silica gel

(referred to as the desiccant tube) to prevent

internal condensation. The desiccant tube is

located in the support arm and is accessible by

removing the end plug and vinal cap.

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