音频分析仪VA2230A VA2230A音频测试仪

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Kenwood VA-2230A 音频分析仪|VA2230A音频测试仪|日本建伍

品牌： Kenwood(建伍)

特点
·多功能，*，*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。*微处理器控制意味着*性更高，操作更简便，将众多的功能汇集在一个小型、*、*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 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 di*s........4-di* 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 *ysis measurement(HD),SINAD measurement,S/N measurement,ratio measruemtn(R/L,L/R).
·
·Measuring range......5Hz to 210KHz
·Measurement resolution...........5-di*(≧100Hz)/0.01Hz(<100Hz)
·Measuring accuracy..........±5*10^-4±1di*
·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.	5di*s 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(*TCH)+ - 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-M*SAGE/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)

型号/规格

VA2230A

品牌/商标

Kenwood

供应音频分析仪VA2230A VA2230A音频测试仪