Campbell-scientific Q7_1-L REBS Net Radiometer User Manual Page 1

INSTRUCTION MANUALQ-7.1 Net RadiometerRevision: 5/96Copyright (c) 1991-1996Campbell Scientific, Inc.

Q-7.1 NET RADIOMETER8recommends recalibration every six months,depending on the climate where the sensorsare used.Each instrument is calibrated by the

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Campbell Scientific CompaniesCampbell Scientific, Inc. (CSI)815 West 1800 NorthLogan, Utah 84321UNITED [email protected]

Warranty and AssistanceThe Q-7.1 NET RADIOMETER is warranted by CAMPBELL SCIENTIFIC,INC. to be free from defects in materials and workmanship under no

1Q-7.1 NET RADIOMETERThe Q-7.1 is a high-output thermopile sensor which measures the algebraic sum of incoming andoutgoing all-wave radiation (i.e. s

Q-7.1 NET RADIOMETER22.2 WIRINGIf a differential measurement is made, connectthe red (+) lead to the high side (e.g. 1H) of anydatalogger differentia

Q-7.1 NET RADIOMETER3FIGURE 2. Correction Functions as a Function of Wind SpeedThe inverse of this data gives the requiredcorrection factors to give

Q-7.1 NET RADIOMETER43.2 PROGRAMMING EXAMPLE WITH FIXEDWIND SPEED CORRECTIONThe following CR10(X) program measures theoutput of a Q-7.1. A static wi

Q-7.1 NET RADIOMETER507: Do (P86)1: 1* Call Subroutine 1*08: Else (P94);Apply the negative calibration and;wind speed correction.;09: Do (P86)1: 2* Ca

Q-7.1 NET RADIOMETER6Inspect the silica gel monthly to ensure it is stillblue and white. If the color changes to pinkand white, replace it with dry s

Q-7.1 NET RADIOMETER74.4 WINDSHIELD REPLACEMENTPolyethylene deteriorates with exposure tosolar radiation. Inspect the windshieldsfrequently and repl