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噪音测量仪

VIB-4a电脑振动噪声测量仪,采用ISO/TR7849推荐的振动法，按照GB/T16539—1996《声学 振速法测定噪声源功率级一用于封闭机器的测量》国家标准对测量仪器的要求，应用先进的计算机技术，研制成功的集振动和噪声测量于一体的新型的测量仪器。 该仪器在测量噪声时可不受背景噪声和环境反射的影响，也不必花巨资建造消音室。非常适合用于电机、电器、冰箱等多种机电产品的振动噪声在线检测。 利用VIB-4电脑振动噪声测量仪检测时，测量工作人员在使用时有以下显著特点： ▲ VIB-4电脑振动噪声测量仪采用了先进的计算机技术，由单片机控制所有的按键，通过模拟开关切换有关电路，这样大大减少了机械触点，从而避免了机械零部件的松动、接触不良等问题，提高了仪器自身的准确度和可靠性。 ▲ 由于我们将从试验中得到的电机、电器、冰箱的振动辐射效率指数曲线以计权网络的形式设置于测振仪之中，即可直接测定机器的声功率级，（还可以对测量范围内任何限值进行超标准值报警）。 VIB-4a PC vibration noise measuring instrument, using ISO/TR7849 recommended vibration method, in accordance with GB/T16539-1996 "acoustic velocity determination of a noise source power level measurement for the closure of the machine," the national standard for measuring instrument requirements, the application of advanced computer technology, successfully developed a set of vibration and noise measurement in one of the new type of measuring instruments. The instrument when the measurement noise from background noise and environmental impact of reflection, there is no need to spend huge sums of money to build silencer chamber. Very suitable for use in motors, electrical appliances, refrigerators and other mechanical and electrical products, Vibration and Noise-line inspection. VIB-4 computer using vibration and noise measuring instrument detection, measurement of staff when in use has the following salient features: ▲ VIB-4 computer vibration and noise measuring instrument using advanced computer technology to control all of the buttons by the microcontroller through the analog switch on the circuit, thereby greatly reducing the mechanical contact, thus avoiding the loosening of mechanical parts, poor contact, etc. problems and improve the instrument's own accuracy and reliability. ▲ Since we will be testing the motor, electrical appliances, refrigerators, radiation efficiency of the vibration of an exponential curve to take account of the right to form the network settings on the vibrometer among the machines can be directly measured sound power level, and (measuring range can also any limit to exceed the standard value of alarm). 主 要 技 术 参 数 主 机 频 响 10Hz-1kHz；10Hz-10kHz 测 量 范 围 振 动 速 度 0.03～1000mm/s（rms） 加　速　度 0.03～1000m/s*s 位　　　移 0.01～30mm 噪　声　级 30～110dB 声 源 尺 寸 电机：0.032～1（m） 测 量 精 度 数字显示 分辨率为0.001 误差±1个字 供 电 电 源 ～220V±10%（50Hz） 外 形 尺 寸 宽x深x高　240x260x100mm 重　　　 量 约3Kg

　

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