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Hukseflux Thermal Sensors List of symbols Heat flux Thermal conductivity of the surrounding medium or object on which the sensor is mounted Voltage output HFP01 sensitivity Thermal conductivity dependence of Esen Time Surface area Electrical resistance Thermal resistance Temperature Temperature dependence Depth of burial ϕ W m-2 λ V Esen Eλ t A Re Rth T TD d W/mK V µV/Wm-2 mK/W s m2 Ω Km2/W K %/K m Subscripts Property of the sensor Property of air Property during calibration Property of the object on which HFP01 is mounted Property at the soil surface HFP01/ HFP03 manual version 0612 sen air cal obj surf page 3/35
