Campbell HFT3 Manuel d'utilisateur

INSTRUCTION MANUALHFT3 Soil Heat Flux PlateRevision: 10/03Copyright (c) 1987-2003Campbell Scientific, Inc.

Model HFT3 Soil Heat Flux Plate67. MaintenanceThe HFT3 requires minimal maintenance. Check the sensor leads monthly forrodent damage.Recalibrate the

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

Warranty and AssistanceThe HFT3 SOIL HEAT FLUX PLATE is warranted by CAMPBELLSCIENTIFIC, INC. to be free from defects in materials and workmanship und

iHFT3 Table of ContentsPDF viewers note: These page numbers refer to the printed version of this document. Usethe Adobe Acrobat® bookmarks tab for l

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1Model HFT3 Soil Heat Flux Plate1. General DescriptionThe HFT3 Soil Heat Flux plate uses a thermopile to measure temperaturegradients across the plat

Model HFT3 Soil Heat Flux Plate22 cm6 cm8 cmGround SurfaceUp to 1 m2.5 cmFIGURE 1. Placement of Heat Flux Plates3. InstallationThe HFT3 Soil Heat Fl

Model HFT3 Soil Heat Flux Plate3Never run the sensors leads directly to the surface. Rather, bury the sensorleads a short distance back from the hole

Model HFT3 Soil Heat Flux Plate4The wiring convention is that the black wire is positive with respect to the otherinsulated wire, when energy is flowi

Model HFT3 Soil Heat Flux Plate5Example 2 Sample CR23X Program using a Differential Measurement Instruction;Measure the HFT3 Soil Heat Flux plate.;01