销售 回收音频分析仪VA-2230A，张海130682306

销售/回收音频分析仪VA-2230A，张海13068230698
 

惠州市金泰电子仪器有限公司

展销部:广东省惠州市江北国际电子城3楼133-135
地址:广东省惠州市惠城区鹅岭南路48号
联系人：张海（总经理）    手机:13068230698

电话:0752-7828516  7808132

传真:0752-7808132
E-mail:jintai568@126.com    

QQ:461828471

网址: http://www.jt1718.com     
简单信息：
集低频信号发生器、电子电压表、失真表、频率表、直流电压表的功能于一身。使用DSP技术,DDS高稳定信号发生器,为通信应用提供SINAD测量.22通道输入输出,GPIB接口.
产品简介 
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提供了清晰精确的显示 
·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 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 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
· 

 

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. 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 value)

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