Kenwood VA-2230音频分析仪 Kenwood VA-2230
产品简介
Kenwood VA-2230音频分析仪品牌:日本德士Texio/日本建伍Kenwood 特点•多功能,高精度,高速度,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。中央微处理器控制意味着可靠性更高,操作更简便,将众多的功能汇集在一个小型、高速、高精度的单元中,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 •
产品详细信息
Kenwood VA-2230音频分析仪
品牌:日本德士Texio/日本建伍Kenwood
特点
·多功能,高精度,高速度,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。中央微处理器控制意味着可靠性更高,操作更简便,将众多的功能汇集在一个小型、高速、高精度的单元中,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技术的高速、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 to110.0KHz(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%(20.1Khzto 110.0KHz)
·Display digits........4-digit 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(relativedisplay/wattage display),DC level measurement,total distortionmeasuremetn(THD+N),harmonic distortion measuremtn(THD),harmonicanalysis measurement(HD),SINAD measurement,S/N measurement,ratiomeasruemtn(R/L,L/R).
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·Measuring range......5Hz to 210KHz
·Measurementresolution...........5-digit(≧100Hz)/0.01Hz(<100Hz)
·Measuring accuracy..........±5*10^-4±1digit
·Input level range......1mV to 100Vrms
Measuringrange....... | 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 | |
Measuringaccuracy.............. | ±2%offull-scale indication(1KHz) | |||
Frequencyresponse........ | ±5%(20Hzto20KHz) reference:1KHz | |||
Vestigialnoise............ | ≦4μV(80KBW) | |||
Responsecharacteristics.... | actualvalue | |||
Relativemeasurement range..... | 0to±130dB | |||
Wattagedisplay...... | Powercalculationbased on AC level | |||
Resolutionof watt display. | 5digitsmax. | |||
Settingrange of RL.... | 2to 5000Ω | |||
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Inputchannel...... | 1CH:forDC input | |||
Inputimpedance | 1MΩ | |||
DClevelmeasuring ranges.. | 5ranges(100V/30V/3V/300mV/30mV) | |||
DClevel emasuring accuracy | ±(0.3%fs+0.75%ofmeasuring value) | |||
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Fundamentalfrequencyrange | 10Hz to110KHz | |||
Distortionmeasurementrange | 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 | ||
Secondaryharmonic deviation.... | ±1dB(20Hzto20KHz) | |||
| ±3dB(allrange) | |||
Fundamentalwave removal ratio.. | 110dBormore | |||
| 60dB(NOTCH)+- 50dB(FET) | |||
Responsecharacteristics |
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(input)......... | actualvalue | |||
Responsecharateristics |
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(distortion).... | actualvalue | |||
Inputlevel range..... | 1mVto100V | |||
Inputranges..... | 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 | |
| (30mVto 3mV ranges:manual only) | |||
Displayunits..... | Inputlevel:V,dBV,dBm | |||
| Distortion:%,dB | |||
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Measuringmode.. | harmonicdistortion+noise(THD+N) | |||
Residualnoise/distortion |
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(100V,30V,10V,3V&1Vranges).. | ≦-94dB(10Hzto 20KHz,80KBW) | |||
| ≦-80dB(alllimits,500KBW) | |||
| input≧1/3offull scale | |||
(300mVrange)...... | ≦-86dB(10Hzto20KHz,80KBW) | |||
| ≦-66dB(alllimits,500KBW) | |||
| input≧1/3offull scale | |||
(100mVrange)..... | ≦-74dB(10Hzto20Khz,80KBW) | |||
| ≦-60dB(allilmits,500KBW) | |||
| input≧1/3offull scale | |||
(3mVrange)...... | ≦-45dB(10Hzto10KHz,20KBW) | |||
| input+2mVrms | |||
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Measuringmode..... | Nos.2-10harmonic waves are detected and measured | |||
Residualnoise/distortion |
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(100V,30V,10V,3V&1Vrange)... | ≦-100dB(10Hzto20Khz,80KBW) | |||
| ≦-80dB(alllimits,500KBW) | |||
| input≧1/3offull scale | |||
(300mVrange)..... | ≦-94dB(10Hzto20KHz,80KBW) | |||
| ≦-74dB(alllimits,500KBW) | |||
| input≧1/3offull scale | |||
(100mVrange)........ | ≦-86dB(10Hzto20KHz,80KBW) | |||
| ≦-74dB(alllimits,500KBW) | |||
| input≧1/3offull scale | |||
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Measuringmode..... | Nos.2-10harmonicwaves are set to any value and measured Residual | |||
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SINADmeasuringrange..... | 0to 40dB(1 range) | |||
ResidualSINAD....... | Sameas | |||
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Inputlevl...... | 30μV to100Vrms | |||
| (both Scomponent&N component) | |||
Measuringrange...... | 0to 130dB(80KHzBW) | |||
S/Naccuracy........ | ±1.2dB | |||
Responsecharacteristics..... | actualvalue | |||
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Inputlevel ragne..... | 30μV to100Vrms(bothnumerator and denominator) | |||
Ratiorange....... | 0to±130dB(80KHzBW_ | |||
Ratioaccuracy......... | ±1.2dB(1KHz,fullscaleinput) | |||
Frequencyresponse...... | ±2dB(standard:1KHz) | |||
Displayunit...... | dB,% | |||
Responsecharacteristics... | actualvalue | |||
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Inputchannels...... | ACinput:2 CHs,alternate(Balanced and unbalanced switchable) | |||
Inputimpedace...... | ACinput:10KΩ,100KΩ≦200pF | |||
Maximumallowable input.... | 150V(DC+ACpeak) | |||
Grounding...... | Floatingandnon-floating switchable(independently for DC,AC and signalgenerator) | |||
Averagingcount..... | 2,4,8,16,OFF | |||
Built-infilters...... | HPF(100Hz/200Hz/Optional),LPF(15KHz/20KHz/80KHz/Optional),PSOPHO(IHF-A/CCIR-ARM/DIN-AUDIO/Optional) | |||
Optionalfilters...... | 3KHzBPF/1KHzBPF/315Hz BPF/CCITT P53TEL/C-MESSAGE/IEC-C | |||
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Operationspecifications... | 1)SingleUp;2)Single Down; | |||
| 3)RepeatUp;4)RepeatDown | |||
.... | SH1,AH1,T8,L4,SR0,RL1,PP0,DC1,DT1,C1,C2,C3,C27 | |||
| 1)Panelstaus;2)Measurement value output;3)Memorycopy(between samemodels);4)Memory synchronization(between same models,sameversions) | |||
... | 1)Levelor frequency setting from an external rotary encoder;2)Directmemory call;3)Controloutput;4)Limit judgment output;5)Memorylisting;6)8-bit data read;7)Measurementdata print-out. | |||
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Memorypoint count... | 100steps(Can bedivided into 10 groups.) | |||
Settingcontents... | 1)Panelsetting;2)EXTCONTROL I/O; | |||
| 3)Limitdatabatch memory. | |||
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Temperature/humidityfor operation.... | 0to40℃,RC 90% max. | |||
Tempearture/ | 6to 35℃,RC 85% max. | |||
LCDTempearture | 0to30℃,RC 90% max. | |||
| 0to 40℃,RH60%max. | |||
Powersource..... | 100/120/220/240VAC,±10%(max.250V)/Approx.48W | |||
Dimensions..... | 426(W)*99(H)*440(D)mm | |||
Weight.... | Approx.10kg | |||
Accessories.... | Instructionmanual(1),cable(1),powercord(1) | |||