音频分析仪VA-2230 逻辑分析/虚拟仪器 VA-2230 日本建伍 KENWOOD  VA-2230 日本 价格 ¥62400元  文字版
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基本介绍

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产品名称: 音频分析仪VA-2230
型  号: VA-2230
生产厂家: 日本建伍 KENWOOD
厂家地址: 日本
尺  寸: *
市 场 价: 62400
会 员 价: 62400
单  位:
音频分析仪VA-2230  细节说明
简单信息:
集低频信号发生器、电子电压表、失真表、频率表、直流电压表的功能于一身。使用DSP技术,DDS高稳定信号发生器,为通信应用提供SINAD测量.22通道输入输出,GPIB接口.
产品简介
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提供了清晰精确的显示
·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 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
 100V40.0dBV42.2dBm
 30V29.5dBV31.7dVm
 10V20.0dBV22.2dBm
 3V9.5dBV11.7dBm
 1V0.0dBV2.2dBm
 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 impedance1MΩ
DClevel measuring ranges..5 ranges(100V/30V/3V/300mV/30mV)
DC level emasuring accuracy±(0.3%fs+0.75%of measuring value)
Fundamental frequencyrange10Hz to 110KHz
Distortionmeasurement range100%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)dBVdBm
 100V40.0dBV42.2dBm
 30V29.5dBV31.7dBm
 10V20.0dBV22.2dBm
 3V9.5dBV11.7dBm
 1V0.0dBV2.2dBm
 300mV-10.5dBV-7.8dBm
 100mV-20.0dBV-17.8dBm
 30mV30.5dBV-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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