MH120_使用者说明书手册

GENERALSpecialty ToolsInstruments"Difference between DRY BULB and WET BULB readings Celcius0.51.01.52.02.53.03.54.0455.05.56.06.57.07.58.0975096766432103918.71655463521309087765413211209187166432110味林4热热热热拉校松校社机机5959611790077776761515777353721096766总校机汤字装数机中12066666660606000999781137771076715774731312111706673616466216958646206641973131316131677777161675731577721313127271107066566176666543266608754258641696177761616151515277713131311721111707064665863766536361433526105986565332506642163741)277774513131312771727T1170706966865677176636565416632651666958576655:3250697716591566065351/1624121211111110101066866656777666654646626660606956766853256467661426106655335072423101059396656598.77786365636543853852566660958373655432664986633116090735328017724211814187/73656563616345463853321561666095858376653463321160677161421/5097735328077151210151116555804646866326266616059596875665546352516906976632106080534632000615.219161395553:32532320156560606909855537865555546352516019167664636110836534620880610350371411736605069596656578666615554541332516596916771616142109383653531162960614/3116162952865432THERMOMETER HYGROMETERFill the reservoir and ensure the wick is wet.Note the Dry Bulb reading (left hand column)Subtract the Wet Bulb reading from the DryBulb reading to find the Wet Bulb depressionNote the difference along the top line.Followthiscolumn down until levelwith the DryBulbreading for the Percentage Humidity.Best results will be achieved when the instr-ument is sited in slightly moving airapprox.1 to 1.5 metres sec)General TOOLS INSTRUMENTS80 White Street,New York,NY 10013-3567PHONE(212431-6100FAX212A431-6499TOLL FREE(800)697-8665e-mail:salesgeneraltools.comwww.generaltools.com