VA-2230A音频分析仪* 东莞市美信电子仪器有限公司

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产品名称：VA-2230A音频分析仪*
产品型号：VA-2230A
产品展商：日本-建伍
产品文档：无相关文档

简单介绍

VA-2230A音频分析仪* ±5%(20Hzto 20KHz) reference:1KHz ±10%(5Hz to 110KHz)reference:1KHz ±20%(5Hz to210KHz) reference:1KHz

产品描述

VA-2230A音频分析仪*

特点

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 ＆#118alue

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 ＆#118alue)

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 ＆#118alue

Response charateristics

(distortion).... actual＆#118alue

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 ＆#118alue 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..... actual＆#118alue

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 ＆#118alue

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 ＆#118alue 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)

·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 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 ＆#118alue(>-40dBv) | ±0.8dB of set ＆#118alue(≦-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
·

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VA-2230A音频分析仪*

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 ＆#118alue
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 ＆#118alue)

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 ＆#118alue
Response charateristics
(distortion)....		actual＆#118alue
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 ＆#118alue 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.....	actual＆#118alue

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 ＆#118alue

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 ＆#118alue 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)