Kenwood VA-2230音频分析仪 Kenwood VA-2230

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产品价格： < 面议

产品型号：Kenwood VA-2230

品牌：日本建伍KENWOOD

公司名称：盛腾仪器

所在地：广东深圳

发布时间：2008-05-22

浏览次数：3172 次

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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).
·
·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 ±10%(5Hz to 110KHz)reference:1KHz ±20%(5Hz to210KHz) reference:1KHz
Vestigialnoise............	≦4μV(80KBW)
Responsecharacteristics....	actualvalue
Relativemeasurement range.....	0to±130dB
Wattagedisplay......	Powercalculationbased on AC level measurement and virtual load(RL)
Resolutionof watt display.	5digitsmax.
Settingrange of RL....	2to 5000Ω

Inputchannel......	1CH:forDC input
Inputimpedance	1MΩ
DClevelmeasuring ranges..	5ranges(100V/30V/3V/300mV/30mV)
DClevel emasuring accuracy	±(0.3%fs+0.75%ofmeasuring value)

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
(input).........		actualvalue
Responsecharateristics
(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

Measuringmode..	harmonicdistortion+noise(THD+N)
Residualnoise/distortion
(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

Measuringmode.....	Nos.2-10harmonic waves are detected and measured
Residualnoise/distortion
(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

Measuringmode.....	Nos.2-10harmonicwaves are set to any value and measured Residual

SINADmeasuringrange.....	0to 40dB(1 range)
ResidualSINAD.......	Sameas

Inputlevl......	30μV to100Vrms
	(both Scomponent&N component)
Measuringrange......	0to 130dB(80KHzBW)
S/Naccuracy........	±1.2dB
Responsecharacteristics.....	actualvalue

Inputlevel ragne.....	30μV to100Vrms(bothnumerator and denominator)
Ratiorange.......	0to±130dB(80KHzBW_
Ratioaccuracy.........	±1.2dB(1KHz,fullscaleinput)
Frequencyresponse......	±2dB(standard:1KHz)
Displayunit......	dB,%
Responsecharacteristics...	actualvalue

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


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.

Memorypoint count...	100steps(Can bedivided into 10 groups.)
Settingcontents...	1)Panelsetting;2)EXTCONTROL I/O;
	3)Limitdatabatch memory.

Temperature/humidityfor operation....	0to40℃,RC 90% max.
Tempearture/ humidity for characte- ristics in spec.	6to 35℃,RC 85% max.
LCDTempearture /humidity for operation....	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)