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天天惠/正品VA-2230A保障VA2230A音频分析仪
详细介绍
Kenwood VA-2230A 音频分析仪|VA2230A音频测试仪|日本建伍
品牌: Kenwood(建伍)
详细说明:
VA-2230A/VA-2230
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
VA-2230A/VA-2230
频率范围:5Hz~20.09KHz(使用DDS),,20.1KHz~110.0KHz(使用CR震荡器)
精度:±0.005%(5Hz~20.09KHz)
输出通道:2通道变换
阻*;600Ω(不平衡)
电平范围:14.0~-85.9dBV,16.2~-83.7dBm
分辨率:0.1dB
电平精度:±0.5dB(≥-40dBV),±0.8dB(<-40dBV),1KHz,600Ω负载
失真(THD+N):≤0.005%(20Hz~20KHz,80KBW),≤0.01%(满刻度以上)
Spot 震荡器1:20Hz(0.001%THD+N,80KBW)
Spot 震荡器2:1KHz(0.001%THD+N,80KBW)
Spot 震荡器3:20Hz(0.001%THD,80KBW)
AC电平测量
测量范围:12档(100V/30V/10V/3V/1V/300mV/100mv/30mV/10mV/3mV/1mV/0.3mV)
精度:满刻度±2%(1KHz)
相对测量范围:0~±130dB
瓦特显示:在AC电平测量及实际负载(RL)基础上进行能量计算
失真测量规格
基本频率范围:0Hz~110KHz
测量范围:9档(100%/30%/10%/3%/1%/0.3%/0.1%/0.03%/0.01%)
输入范围:10档(100V/30V/10V/3V/1V/300mV/100mV/30mV/10mV/3mV)
共同规格
输入通道:AC 2通道变换(在平衡与不平衡间转换)
输入阻*:AC 10KΩ,100KΩ±2%,≤200pF
*大输入电压:150V(DC+AC峰值)
接地:在浮动及非浮动间转换
平均倍数:2,4,8,16,关闭
滤波器(标准):HPF(100Hz/200Hz/OPT(可选),LPF(15KHz/20KHz/80KHz/OPT(可选),PSOPHO(IHF-A/CCIR
-ARM/DIN-AUDIO/OPT(可选)
可选滤波器:带通1KHz/3KHz/315KHz,CCITT P53 TEL,C-M*SAGE,IEC-C
电源电压:AC 100/120/220/240V ±10%(*大250V)
电源消耗:约48W
尺寸/重量:426x99x400mm/约10kg
VA2230A
建伍