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    VA-2230音頻分析儀,VA-2230A,說明書

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    產品名稱: VA-2230音頻分析儀,VA-2230A,說明書
    產品型號: VA-2230
    產品展商: 日本建伍
    產品文檔: 無相關文檔

    簡單介紹

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    Kenwood VA-2230A 音頻分析儀|VA2230A音頻測試儀|日本建伍

    品牌: Kenwood(建伍)
     
     
    特點
    ·多功能,高精度,高速度,可遙控音頻分析儀
    ·此儀器綜合了低頻信號發生器、電子電壓表、失真表、頻率計、直流電壓表的功能于一身。中央微處理器控制意味著可靠性更高,操作更簡便,將眾多的功能匯集在一個小型、高速、高精度的單元中,其價格比分立單元更具有競爭性。
    ·使用DSP技術,通過FFT計算獲得真RMS值
    ·使用DDS技術的高速、高穩定度信號發生器
    ·寬大的LCD提供了清晰精確的顯示
    ·配備GPIB接口
    ·為通訊應用提供了SINAD測量
    ·雙通道輸入/輸出可進行通道互擾、分離及L/R率測量
    ·頻率計及AC電平頻率范圍擴展至210KHz
    ·具THD的失真及諧波分析功能
    ·操作簡便,測試功能豐富

    技術指標
    ·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 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(relative display/wattage display),DC level measurement,total distortion measuremetn(THD+N),harmonic distortion measuremtn(THD),harmonic analysis measurement(HD),SINAD measurement,S/N measurement,ratio measruemtn(R/L,L/R).
    ·
    ·Measuring range......5Hz to 210KHz
    ·Measurement resolution...........5-digit(≧100Hz)/0.01Hz(<100Hz)
    ·Measuring accuracy..........±5*10^-4±1digit
    ·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.
    5digits 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(NOTCH)+ - 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 P53TEL/C-MESSAGE/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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