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深圳市大偉興科技有限公司

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VA-2230A

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  • 經營模式:其他
  • 商鋪產品:1810條
  • 所在地區:廣東深圳市
  • 注冊時間:2023-10-20
  • 最近登錄:2023-10-20
  • 聯系人:劉經理
  • 電    話:18923760911

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VA-2230A音頻分析儀

 
型號:VA-2230A 廠家:建伍Kenwood
 
二手音頻測試儀
 
 

供應VA-2230A|日本建伍/Kenwood音頻分析儀|二手VA-2230A音頻測試儀|VA-2230A銷售租賃|技術支持|保修服務 建伍VA-2230A音頻分析儀為您提供二手儀器的技術支持和保修服務,限期包退包換,讓您能放心購買二手儀器,歡迎!   VA-2230A: Kenwood(建伍)     VA-2230A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。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(LR: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) 1KHz600Ω load
·Spot oscillator.1..........20Hz(0.001%THD+N80KBW)
·Spot oscillator.2........1KHz(0.001%THD+N80KBW)
·Spot oscillator.3............20KHz(0.001%THD80KBW)
·Measurement function block
·Frequency measurementAC level measurement(relative display/wattage display)DC level measurementtotal distortion measuremetn(THD+N)harmonic distortion measuremtn(THD)harmonic analysis measurement(HD)SINAD measurementS/N measurementratio measruemtn(R/LL/R).
·
·Measuring range......5Hz to 210KHz
·Measurement resolution...........5-digit(≧100Hz)/0.01Hz(<>
·Measuring accuracy..........±5*10^-4±1digit
·Input level range......1mV to 100Vrms
·

Measuring range.......V(mV)dBVdBm
 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 range0.0dB
 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:VdBVdBm
 Distortion:%dB
  
Measuringmode..harmonic distortion+noise(THD+N)
Residualnoise/distortion 
(100V30V10V3V&1Vranges)..≦-94dB(10Hz to 20KHz80KBW)
 ≦-80dB(alllimits500KBW)
 input≧1/3 offull scale
(300mV range)......≦-86dB(10Hzto 20KHz80KBW)
 ≦-66dB(alllimits500KBW)
 input≧1/3 offull scale
(100mV range).....≦-74dB(10Hzto 20Khz80KBW)
 ≦-60dB(allilmits500KBW)
 input≧1/3 offull scale
(3mV range)......≦-45dB(10Hzto 10KHz20KBW)
 input+2mVrms
 
Measuringmode.....Nos.2-10 harmonic waves are detected and measured
Residual noise/distortion 
(100V30V10V3V&1V range)...≦-100dB(10Hzto 20Khz80KBW)
 ≦-80dB(alllimits500KBW)
 input≧1/3 offull scale
(300mV range).....≦-94dB(10Hzto 20KHz80KBW)
 ≦-74dB(alllimits500KBW)
 input≧1/3 offull scale
(100mV range)........≦-86dB(10Hzto 20KHz80KBW)
 ≦-74dB(alllimits500KBW)
 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(1KHzfullscale input)
Frequency response......±2dB(standard:1KHz)
Display unit......dB%
Response characteristics...actual value
 
Input channels......AC input:2 CHsalternate(Balanced and unbalanced switchable)
Input impedace......ACinput:10KΩ100KΩ≦200pF
Maximum allowable input....150V(DC+AC peak)
Grounding......Floatingand non-floating switchable(independently for DCAC and signal generator)
Averaging count.....24816OFF
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
....SH1AH1T8L4SR0RL1PP0DC1DT1C1C2C3C27
 1)Panel staus;2)Measurement value output;3)Memorycopy(between same models);4)Memory synchronization(between same modelssame 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)

建伍VA-2230A音頻分析儀|二手測試儀|現貨

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