2AMRM-YH1600Color Haze meter

Date:04/17/2018VCB_F-01:OperatingProceduresForm–FCCAuthorizationv02Page1of1 ShenzhenThreeNHTechnologyCo.,Ltd FederalCommunicationsCommission AuthorizationandEvaluationDivision 1435OaklandMillsRoad Columbia,MD21046 Date:2021/7/23 SUBJECT:FCCApplicationfor(FCCID:2AMRM-YH1600) ToWhomItMayConcern: We,theundersigned,herebyauthorizeYoyoZhouin ShenzhenHuaxiaTesting TechnologyCo.,Ltdat1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad, DalangStreet,LonghuaDistrict,Shenzhen,Chinaonourbehalf,toapplytotheFederal CommunicationsCommissiononourequipment.Anyandallactscarriedoutby ShenzhenHuaxiaTestingTechnologyCo.,Ltd onourbehalfshallhavethesame effectasactsofourown. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We, theapplicant,arenotsubjecttoadenialoffederalbenefitspursuanttoSection 5301oftheAnti-DrugActof1988,21USC853a,andnopartytotheapplicationis subjecttoadenialoffederalbenefitspursuanttothatsection. Sincerely, (MustbesignedbythepersonthatislistedontheFCCWebsite) Signature: Contactname:Ivyxu Companyname:ShenzhenThreeNHTechnologyCo.,Ltd Address:Floor6,Building5B,SkyworthInnovationValley,TangtouNo.1Road,ShiyanStreet, Bao'anDistrict,Shenzhen,Guangdong,China

Date:04/17/2018VCB_F-01:OperatingProceduresForm–FCCConfidentialityv02Page1of1 ShenzhenThreeNHTechnologyCo.,Ltd FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2AMRM- YH1600 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequest confidentialtreatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitTypeFileName 1.BlockDiagram, 2.Schematics, 3.OperationalDescription 1.2AMRM-YH1600-Blockdiagram 2.2AMRM-YH1600-SCH 3.2AMRM-YH1600-Operationaldescription Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarily releasedtothepublic.Thepublicdisclosureofthesematerialsmaybeharmfultothe applicantandprovideunjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateofthe Grantforthisapplication. PursuanttoDA04-1705June15,2004oftheCommission’spublicnotice,wealso requesttemporaryconfidentialtreatmentofinformationaccompanyingthisapplication asoutlinedbelowforaninitialperiodofxxxx(ie-“45”,“90”or“180”)days: ExhibitTypeFileName N/AN/A Signature: Contactname:Ivyxu Companyname:ShenzhenThreeNHTechnologyCo.,Ltd Address:Floor6,Building5B,SkyworthInnovationValley,TangtouNo.1Road,Shiyan Street,BaoanDistrict,Shenzhen,Guangdong,China

FCCID:2AMRM-YH1600 Externalphotos FCCID:2AMRM-YH1600 FCCID:2AMRM-YH1600

Labelplace Size：50*70mm ColorHazemeter MODEL:YH1600 FCCID:2AMRM-YH1600 INPUT:24V3AS/N:XXXXXX Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjectto thefollowingtwoconditions:(1)Thisdevicemaynotcauseharmful interference,and(2)thisdevicemustacceptanyinterferencereceived, includinginterferencethatmaycauseundesiredoperation.

FCCID: 2AMRM-YH1600 Internalphotos FCCID: 2AMRM-YH1600 FCCID: 2AMRM-YH1600

ShenzhenHuaxiaTestingTechnologyCo.,Ltd 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V04 ReportTemplateRevisionDate:2018-07-06 RFExposureEvaluationReport ReportNo.: CQASZ20210500033EX-02 Applicant: ShenzhenThreeNHTechnologyCo.,Ltd AddressofApplicant:Floor6,Building5B,SkyworthInnovationValley,TangtouNo.1Road,Shiyan Street,BaoanDistrict,Shenzhen,Guangdong,China Manufacturer: ShenzhenThreeNHTechnologyCo.,Ltd Addressof Manufacturer: Floor6,Building5B,SkyworthInnovationValley,TangtouNo.1Road,Shiyan Street,BaoanDistrict,Shenzhen,Guangdong,China EquipmentUnderTest(EUT): Product:ColorHazemeter AllModel: YH1600,YH1860,YH1810,YH1800,YH1610,YH1210,YH1200,YH1100, YH1000,YH900,YH800,YH1260,YH1060,YH1102 TestModelNo.:YH1600 BrandName: 3nh FCCID: 2AMRM-YH1600 Standards: 47CFRPart1.1307 47CFRPart1.1310 KDB447498D01GeneralRFExposureGuidancev06 DateofTest:Apr.28,2021toJul.19,2021 DateofIssue:Jul.19,2021 TestResult:PASS TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210500032EX-02 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20210500032EX-02Rev.01 Initialreport Jul.19,2021 ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210500032EX-02 2Contents 1VERSION......................................................................................................................................................................2 2CONTENTS..................................................................................................................................................................3 3GENERALINFORMATION........................................................................................................................................4 3.1CLIENTINFORMATION................................................................................................................................................4 3.2GENERALDESCRIPTIONOFEUT................................................................................................................................4 4RFEXPOSUREEVALUATION.................................................................................................................................5 4.1RFEXPOSURECOMPLIANCEREQUIREMENT..............................................................................................................5 4.1.1Limits................................................................................................................................................................5 4.1.2TestProcedure...............................................................................................................................................5 4.1.3EUTRFExposureEvaluationstandaloneoperations.............................................................................6 ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210500032EX-02 3GeneralInformation 3.1ClientInformation Applicant: ShenzhenThreeNHTechnologyCo.,Ltd AddressofApplicant: Floor6,Building5B,SkyworthInnovationValley,TangtouNo.1Road, ShiyanStreet,BaoanDistrict,Shenzhen,Guangdong,China Manufacturer: ShenzhenThreeNHTechnologyCo.,Ltd AddressofManufacturer: Floor6,Building5B,SkyworthInnovationValley,TangtouNo.1Road, ShiyanStreet,BaoanDistrict,Shenzhen,Guangdong,China 3.2GeneralDescriptionofEUT ProductName: ColorHazemeter TestModelNo.: YH1600 TradeMark: 3nh HardwareVersion: V1.6 SoftwareVersion: V1.0 OperationFrequency:2402-2480MHz ModulationType:GFSK TransferRate:1Mbps(Testsoftwareseepage6) NumberofChannel:40 ProductType:MobilePortableFixLocation AntennaType: Ceramicantenna AntennaGain: 2dBi EUTPowerSupply: ACADAPTER Adapter MODEL:B06240300 INPUT:110-24050/60Hz1.3Amax OUTPUT:24V3A Note: Allmodel:YH1600,YH1860,YH1810,YH1800,YH1610,YH1210,YH1200,YH1100,YH1000,YH900,YH800,YH1260, YH1060,YH1102 OnlythemodelYH1600wastested,sincetheelectricalcircuitdesign,layout,componentsusedandinternal wiringwereidenticalfortheabovemodels,withdifferencebeingmodelname. ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210500032EX-02 4RFExposureEvaluation 4.1RFExposureComplianceRequirement 4.1.1StandardRequirement AccordingtoKDB447498D01GeneralRFExposureGuidancev06 4.3.1.StandaloneSARtestexclusionconsiderations UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures, standalone1-gheadorbodyand10-gextremitySARevaluationforgeneral populationexposureconditions,bymeasurementornumericalsimulation,isnot requiredwhenthecorrespondingSARExclusionThresholdcondition,listedbelow,is satisfied. 4.1.2Limits The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation17 Theresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50 mmandfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmisappliedtodetermineSARtestexclusion ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210500032EX-02 4.1.3EUTRFExposure 1)ForBLE MeasurementData GFSKmode TestChannel PeakOutput Power (dBm) Tuneup tolerance (dBm) Maximumtune-upPower Calculated value LIMIT (dBm)(mW) 3 Lowest(2402MHz) 2.5583±142.5120.779 Middle(2440MHz) 2.7083±142.5120.785 Highest(2480MHz) 2.9603±142.5120.791 Conclusion:thecalculatedvalue<3.0,SARisexempted Remark:TheMaxConductedPeakOutputPowerdatarefertoreportReportNo.:CQASZ20210500033EX-01

ShenzhenHuaxiaTestingTechnologyCo.,Ltd 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V03 ReportTemplateRevisionDate:Mar.1st,2017 TestReport *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonly tothesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.: CQASZ20210500033EX-01 Applicant: ShenzhenThreeNHTechnologyCo.,Ltd AddressofApplicant:Floor6,Building5B,SkyworthInnovationValley,TangtouNo.1Road,Shiyan Street,BaoanDistrict,Shenzhen,,Guangdong,China Manufacturer: ShenzhenThreeNHTechnologyCo.,Ltd Addressof Manufacturer: Floor6,Building5B,SkyworthInnovationValley,TangtouNo.1Road,Shiyan Street,BaoanDistrict,Shenzhen,,Guangdong,China EquipmentUnderTest(EUT): Product:ColorHazemeter AllModel: YH1600,YH1860,YH1810,YH1800,YH1610,YH1210,YH1200,YH1100, YH1000,YH900,YH800,YH1260,YH1060,YH1102 TestModelNo.:YH1600 BrandName: 3nh FCCID: 2AMRM-YH1600 Standards:47CFRPart15,SubpartCSection15.247 DateofTest:Apr.28,2021toJul.19,2021 DateofIssue:Jul.19,2021 TestResult:PASS* TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210500033EX-01 Page: 2 of 42 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20210500033EX-01Rev.01 Initialreport Jul.19,2021 ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210500033EX-01 Page: 3 of 42 2TestSummary TestItemTestRequirementTestmethodResult AntennaRequirement 47CFRPart15,SubpartCSection 15.203/15.247(c) ANSIC63.102013PASS ACPowerLine Conducted Emission 47CFRPart15,SubpartCSection 15.207 ANSIC63.102013PASS ConductedPeakOutput Power 47CFRPart15,SubpartCSection 15.247(b)(3) ANSIC63.102013PASS 6dBOccupied Bandwidth 47CFRPart15,SubpartCSection 15.247(a)(2) ANSIC63.102013PASS PowerSpectralDensity 47CFRPart15,SubpartCSection 15.247(e) ANSIC63.102013PASS Band-edgeforRF ConductedEmissions 47CFRPart15,SubpartCSection 15.247(d) ANSIC63.102013PASS RFConductedSpurious Emissions 47CFRPart15,SubpartCSection 15.247(d) ANSIC63.102013PASS RadiatedSpurious Emissions 47CFRPart15,SubpartCSection 15.205/15.209 ANSIC63.102013PASS Restrictedbandsaround fundamentalfrequency (RadiatedEmission) 47CFRPart15,SubpartCSection 15.205/15.209 ANSIC63.102013PASS ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20210500033EX-01 Page: 4 of 42 3Contents Page 1VERSION....................................................................................................................................................................2 2TESTSUMMARY......................................................................................................................................................3 3CONTENTS................................................................................................................................................................4 4GENERALINFORMATION.....................................................................................................................................5 4.1CLIENTINFORMATION...........................................................................................................................................5 4.2GENERALDESCRIPTIONOFEUT...........................................................................................................................5 4.3TESTENVIRONMENT..............................................................................................................................................7 4.4DESCRIPTIONOFSUPPORTUNITS..........................................................................................................................7 4.5STATEMENTOFTHEMEASUREMENTUNCERTAINTY..............................................................................................8 4.6TESTLOCATION.....................................................................................................................................................9 4.7TESTFACILITY.......................................................................................................................................................9 4.8DEVIATIONFROMSTANDARDS..............................................................................................................................9 4.9OTHERINFORMATIONREQUESTEDBYTHECUSTOMER........................................................................................9 4.10EQUIPMENTLIST.................................................................................................................................................10 5TESTRESULTSANDMEASUREMENTDATA...............................................................................................11 5.1ANTENNAREQUIREMENT....................................................................................................................................11 5.2CONDUCTEDEMISSIONS......................................................................................................................................12 5.3CONDUCTEDPEAKOUTPUTPOWER....................................................................................................................15 5.46DBOCCUPYBANDWIDTH..................................................................................................................................17 5.5POWERSPECTRALDENSITY................................................................................................................................19 5.6BAND-EDGEFORRFCONDUCTEDEMISSIONS....................................................................................................21 5.7SPURIOUSRFCONDUCTEDEMISSIONS...............................................................................................................23 5.8RADIATEDSPURIOUSEMI…

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FCCID:2AMRM-YH1600 RadiatedEmission 9kHz~30MHz: 30MHz~1GHz: Above1GHz: FCCID:2AMRM-YH1600 ConductedEmission