sp100cr_调试手册说明书指南

and that coiled in the wick container.the casePrinciplesabout 30 seconds.This will wet both the exposed wickunder cold running water or immersing it in water for2 Thorougly wet the wick by placing the exposed endD Open the instrument by withdrawing the inner frame fromTaking a readingcan also be used.integrated into the psychrometer.Standard Humidity TablesThe %RH can be read off the Slide rule calculatorgive the same reading.This equates to 100%RH.take place so both the wet and dry bulb thermometers will.If the air is completely saturated no evaporation candepression will be small,giving a high %RH reading.In humid air there will be little evaporation and thewill be greater,giving a low %RH reading.In dry air evaporation will be rapid and the depressiondepressed relative to that of the dry bulb.from the wetted bulb causes its temperature to bethermometer bulb being covered by a wet wick.EvaporationTwo thermometers are placed in flowing air,onemeasuring the evaporation of water into the surrounding air.The Sling Psychrometer determines %Relative Humidity byinstructions for usethermometers.Compact Sling PsychrometerWick container9司Wet bulb (covered by wick)Slide rule calculatorseconds at between 2 and 3 revolutions per secondand,holding the case,rotate the frame for 30 to 603To take a reading set the psychrometer at right anglesensure no moisture remains on the dry bulb.check the wick is wetted before taking any readings andThe wick will remain moist for several hours,AlwaysHot water must not be used as it may damage the