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类型 轴流风扇 电机功率 0(w) 电压 220-240(V) 电流 0(A) 适用范围 110-380 风量 300CFM 风叶直径 200mm 转速 3000 1.SCOPE(范围)This specification to model NO:(产品机型)DFH1238B242.STANDARD ENVIRONMENTAL CONDITIONS(通用环境)Temperature 25℃and relative humidity 60%shall be standard if no doubtArises in the judgement,however,it is permitted that rests are conducted inThe environment of temperature 5-35℃,relative humidity 45-85%(推荐温度25℃,相对湿度60%下使用,但在温度5-35℃相对湿度45-85%的条件下,产品能正常工作)3.STRUCTURE AND FORM(产品结构)3-1Structure(结构)axial motor fan(轴流风机)3-2Housing(框架)BLACK PBT3-3Blade(扇叶)BLACK PBT3-4Bearing(轴承结构)BALL Bearing3-5Lead (线材)UL1007/24AWG/L=260MM4.RATED AND OPERATING CONDITLONS(额定条件)4-1Rated voltage(额定电压)(VDC)24.04-2Rated current(额定电流)(A)0.24A±10%4-3Startup voltage(启动电压)(VDC)12.04-4Rated input power(输入功率)(W)5.764-5Operating voltage(电压范围)(VDC)21.6-26.44-6Operating temperarure(工作温度)(℃)-10℃--+70℃4-7Storage temperature(收藏温度)(℃)-40℃--+80℃4-8Speed(转速)(RPM)2800±10%5.AIR FLOW-AIR PRESSURE CHARACTERISTIC(风量-风压特性)Applicable conditions:Shall be applied in the state when the standard, environmental conditions and voltage are fixed.(注意事项:不变化环境及工作电压)ITEM(测试项目)CONDITIONS(测试条件)STANDARD(测试标准)5-1Max.air flowAir pressure=0 109.49CFM5-2Max.air pressureAir flow=0 6.86mmH2O5-3Air flow.air Pressurecharacteristics AS performanceCurves 6.PERFORMANCE(性能指标)Applicable conditions:shall be applied under the standard environmental conditions and rated conditions(测试条件:标准环境条件及额定条件下)Item(测试项目)Conditions(测试条件)Standard(测试标准)6-1Noise噪音Shall be measure in aroundisolated room ofBackground noise 20DB orLess,in a distance of lm from intake direction 42.07dBa 6-2 Insulation Resistance绝缘阻抗When test voltage of DC250v is impressed betweenterrninal(+)and horsing Min 10 megohm6-3Dielectrice Withstand Voltage绝缘强度When voltage of AC 500v is Impressed between terminal(+)and housing Shall be free of Abnormality 7.SPECIAL TEST(专用试验) 7-1VibrationResistance振动试验 5-3hz,0.04
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