Kenwood VA-2230A 音频分析仪|VA2230A音频测试仪|日本建伍 品牌： Kenwood(建伍) ：沈先生 手机： QQ：8 ：-811 ： 公司网站：https://www.sengt.com *仪器仪表服务商——销售，租赁，维修二手仪器（频谱分析仪、信号发生器、网络分析仪、手机综合测试仪、示波器、WIFI测试仪、音频分析仪、EMI测试仪、频率计、功率计、无线电综合测试仪、天馈线分析仪、RDS信号发生器、万用表、函数信号发生器、噪声系数分析仪、数据采集卡/器、探头等） 二手仪器的采购、租赁或使用均是严谨而*的事宜，欲获得更多优质而*的通信检测仪器服务及信息，欢迎您来电来函。 特点 ·多功能，*，*度，可遥控音频分析仪 ·此仪器综合了低频信号发生器、电子电压表、失真表、频率计、直流电压表的功能于一身。*微处理器控制意味着*性更高，操作更简便，将众多的功能汇集在一个小型、*、*的单元中，其价格比分立单元更具有竞争性。 ·使用DSP技术，通过FFT计算获得真RMS值 ·使用DDS技术的*、高稳定度信号发生器 ·宽大的LCD提供了清晰*的显示 ·配备GPIB接口 ·为通讯应用提供了SINAD测量 ·双通道输入/输出可进行通道互扰、分离及L/R率测量 ·频率计及AC电平频率范围扩展至210KHz ·具THD的失真及谐波分析功能 ·操作简便，测试功能丰富 技术指标 ·Signal Genreator for Measurement ·Frequency range.........5Hz to 20.09KHz(DDS system) | 20.1KHz to 110.0KHz(CR oscillator) ·Frequency setting resolution........1Hz(5Hz to 2.009KHz) | 10Hz(2.01KHz to 20.09KHz) | 100Hz(20.1KHz to 110.0KHz) ·Frequency accuracy........±0.005%(5Hz to 20.09KHz) | ±3%(20.1Khz to 110.0KHz) ·Display di*s........4-di* max. ·Spot oscillator.1.........20Hz(±0.005%) ·Spot oscillator.2..........1KHz(±0.005%) ·Spot oscillaotr.3..........20KHz(±0.005%) ·Output channels.........2CH(L,R:Only common output) ·Output impedance........600Ω±2%(unbalanced) ·Output level resolution.......0.1dB ·Output level accuracy........Ω±0.5dB of set value(>-40dBv) | ±0.8dB of set value(≦-40dBV) 1KHz,600Ω load ·Spot oscillator.1..........20Hz(0.001%THD+N,80KBW) ·Spot oscillator.2........1KHz(0.001%THD+N,80KBW) ·Spot oscillator.3............20KHz(0.001%THD,80KBW) ·Measurement function block ·Frequency measurement,AC level measurement(relative display/wattage display),DC level measurement,total distortion measuremetn(THD+N),harmonic distortion measuremtn(THD),harmonic *ysis measurement(HD),SINAD measurement,S/N measurement,ratio measruemtn(R/L,L/R). · ·Measuring range......5Hz to 210KHz ·Measurement resolution...........5-di*(≧100Hz)/0.01Hz(<100Hz) ·Measuring accuracy..........±5*10^-4±1di* ·Input level range......1mV to 100Vrms · Measuring range....... V(mV) dBV dBm 100V 40.0dBV 42.2dBm 30V 29.5dBV 31.7dVm 10V 20.0dBV 22.2dBm 3V 9.5dBV 11.7dBm 1V 0.0dBV 2.2dBm 300mV -10.5dBV -7.8dBm 100mV -20.0dBV -17.8dBm 30mV -30.5dBV -27.8dBm 10mV -40.0dBV -37.8dBm 3mV -50.5dBV -47.8dBm 1mV -60.0dBV -57.8dBm 0.3mV -70.5dBV -67.8dBm Measuring accuracy.............. ±2%of full-scale indication(1KHz) Frequency response........ ±5%(20Hzto 20KHz) reference:1KHz ±10%(5Hz to 110KHz)reference:1KHz ±20%(5Hz to210KHz) reference:1KHz Vestigial noise............ ≦4μV(80KBW) Response characteristics.... actual value Relative measurement range..... 0 to±130dB Wattage display...... Powercalculation based on AC level measurement and virtual load(RL) Resolution of watt display. 5di*s max. Setting range of RL.... 2 to 5000Ω Input channel...... 1CH:for DC input Input impedance 1MΩ DClevel measuring ranges.. 5 ranges(100V/30V/3V/300mV/30mV) DC level emasuring accuracy ±(0.3%fs+0.75%of measuring value) Fundamental frequencyrange 10Hz to 110KHz Distortionmeasurement range 100% 0.0dB 30% -10.5dB 10% -20.0dB 3% -30.5dB 1% -40.0dB 0.3% -50.5dB 0.1% -60.0dB 0.03% -70.5dB 0.01% -80.0dB Secondary harmonic deviation.... ±1dB(20Hzto 20KHz) ±3dB(all range) Fundamental wave removal ratio.. 110dBor more 60dB(*TCH)+ - 50dB(FET) Response characteristics (input)......... actual value Response charateristics (distortion).... actualvalue Input level range..... 1mVto 100V Input ranges..... V(mV) dBV dBm 100V 40.0dBV 42.2dBm 30V 29.5dBV 31.7dBm 10V 20.0dBV 22.2dBm 3V 9.5dBV 11.7dBm 1V 0.0dBV 2.2dBm 300mV -10.5dBV -7.8dBm 100mV -20.0dBV -17.8dBm 30mV 30.5dBV -27.8dBm 10mV -40.0dBV -37.8dBm 3mV -50.5dBV -47.8dBm (30mV to 3mV ranges:manual only) Display units..... Input level:V,dBV,dBm Distortion:%,dB Measuringmode.. harmonic distortion+noise(THD+N) Residualnoise/distortion (100V,30V,10V,3V&1Vranges).. ≦-94dB(10Hz to 20KHz,80KBW) ≦-80dB(alllimits,500KBW) input≧1/3 offull scale (300mV range)...... ≦-86dB(10Hzto 20KHz,80KBW) ≦-66dB(alllimits,500KBW) input≧1/3 offull scale (100mV range)..... ≦-74dB(10Hzto 20Khz,80KBW) ≦-60dB(allilmits,500KBW) input≧1/3 offull scale (3mV range)...... ≦-45dB(10Hzto 10KHz,20KBW) input+2mVrms Measuringmode..... Nos.2-10 harmonic waves are detected and measured Residual noise/distortion (100V,30V,10V,3V&1V range)... ≦-100dB(10Hzto 20Khz,80KBW) ≦-80dB(alllimits,500KBW) input≧1/3 offull scale (300mV range)..... ≦-94dB(10Hzto 20KHz,80KBW) ≦-74dB(alllimits,500KBW) input≧1/3 offull scale (100mV range)........ ≦-86dB(10Hzto 20KHz,80KBW) ≦-74dB(alllimits,500KBW) input≧1/3 offull scale Measuring mode..... Nos.2-10 harmonicwaves are set to any value and measured Residual SINAD measuringrange..... 0 to 40dB(1 range) ResidualSINAD....... Same as Input levl...... 30μV to 100Vrms (both S component&N component) Measuring range...... 0 to 130dB(80KHzBW) S/N accuracy........ ±1.2dB Response characteristics..... actualvalue Input level ragne..... 30μV to 100Vrms(bothnumerator and denominator) Ratio range....... 0to ±130dB(80KHzBW_ Ratio accuracy......... ±1.2dB(1KHz,fullscale input) Frequency response...... ±2dB(standard:1KHz) Display unit...... dB,% Response characteristics... actual value Input channels...... AC input:2 CHs,alternate(Balanced and unbalanced switchable) Input impedace...... ACinput:10KΩ,100KΩ≦200pF Maximum allowable input.... 150V(DC+AC peak) Grounding...... Floatingand non-floating switchable(independently for DC,AC and signal generator) Averaging count..... 2,4,8,16,OFF Built-in filters...... HPF(100Hz/200Hz/Optional),LPF(15KHz/20KHz/80KHz/Optional),PSOPHO(IHF-A/CCIR-ARM/DIN-AUDIO/Optional) Optional filters...... 3KHz BPF/1KHzBPF/315Hz BPF/CCITT P53/C-M*SAGE/IEC-C Operation specifications... 1)Single Up;2)Single Down; 3)RepeatUp;4)Repeat Down .... SH1,AH1,T8,L4,SR0,RL1,PP0,DC1,DT1,C1,C2,C3,C27 1)Panel staus;2)Measurement value output;3)Memorycopy(between same models);4)Memory synchronization(between same models,same versions) ... 1) Levelor frequency setting from an external rotary encoder;2)Direct memory call;3)Controloutput;4)Limit judgment output;5)Memory listing;6)8-bit data read;7)Measurementdata print-out. Memory point count... 100 steps(Can bedivided into 10 groups.) Setting contents... 1)Panelsetting;2)EXT CONTROL I/O; 3)Limitdata batch memory. Temperature/humidity for operation.... 0to 40℃,RC 90% max. Tempearture/ humidity for characte- ristics in spec. 6 to 35℃,RC 85% max. LCD Tempearture /humidity for operation.... 0to 30℃,RC 90% max. 0 to 40℃,RH60%max. Power source..... 100/120/220/240VAC,±10%(max.250V)/Approx.48W Dimensions..... 426(W)*99(H)*440(D)mm Weight.... Approx.10kg Accessories.... Instruction manual(1),cable(1),powercord(1)

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