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ZSOUND79.99MFP61W21.99MFP6110.99ZMAPWHEEL11.99ZDIGM17.99ZDIGLUX69.99COMPACTSOUNDLEVELMETERIllustratedleft.SILVAWALKERCOMPASSIllustratedright.SILVAMAGNETICBEARINGCOMPASSIllustratedbelow.MAPWHEEL.Illustratedabove.COMPASSESMAPREADINGEQUIPMENTSILVADIGITALMAPMEASURERPLUSIllustratedbelow.DIGITALLIGHTMETERIllustratedabove.BiosphereEnvironmentalCompassesMapReadingEquipment.sqwqwsqwsqwsqwsqwsqwqwKeytosymbolsPrimarySecondaryHigher10Formeasuringtheintensityofambientnoise.Dualscalecalibratedfrom30to130dB.Anexcellentandversatilefieldworktoolidealforgroupandorindividualsurveysofnoisepollution.Comescompletewithcarrycaseand9Vbatteryandmanual..Silvacompassesarerecognisedasbeingofthehighestqualityteamsusingtheircompassesmadeacleansweepofmedalsatthe1997WorldOrienteeringChampionships.TheWalkermodelisaveryaccurateandhighclassnavigationaltoolidealforfastandexactmapwork.LuminouspointsfornightnavigationredblackNorth-Southlinesroundedcornersonbaseplateandthreesiliconfeettopreventthecompassslidingoffthemap.Stencilholesforexactpositionmarkingsonthemapandmagnifyinglens.Scalesmarkedinmmandinchesromerscales125000150000and163360..Tougheconomicalandaccuratethismodelhasalltherequiredfeaturesforteachingbasicmapandorienteeringskills.Witharobustconstructionthisisanidealfirstcompasswhichfitsperfectlyintosmallhands.Comprisedofaliquid-filledhousingwithasapphireneedlebearingitcanbeusedfordirectionalorienteeringortakingbearingsoffmaps.Thisinstrumentisformeasuringdistancesofroadsstreamsetc.onmapswith8scales1750k1500k1400k1200k1100k150k125k115k.ThewheelfeatureskilometremeasurementsonbothsidesFeaturesauniquetripplanningfunctionwhichaddsandsubtractsdistanceworkswithanymapscalefromto11199999999andmeasuresineithermilesorkilometres.IncludesaTimetoGocalculatorwithcountdowntimersmartwheelsettingfunction.Comeswithadetachablelanyardandbeltclipshockresistantandwaterproof.ThisMeterisaprecisioninstrumentusedtomeasureilluminanceluxfoot-candleinthefieldwitharangeofupto400000lux.TheLuxmeteriscompacttoughandeasytohandleowingtoitsconstruction.Thelightsensitivecomponentusedinthemeterisaverystablelong-lifephotodiodeandspectralresponsefilter.Suppliedcompletewithcarrycasebatteryandinstructionmanual