330709-000-080-10-02-00自动化模块
压电速度传感器
说明Bently Nevada Velomitor压电速度传感器设计用于测量绝对（相对于自由空间）轴承箱、壳体或结构振动。330500是一种专用压电加速度计，在固态设计中集成了嵌入式集成电子器件。由于330500采用了固态电子器件，并且没有移动部件，因此它不会受到机械退化和磨损的影响，并且可以垂直、水平或以任何其他角度安装传感器放置测量外壳如果您正在测量机器外壳以确定放置传感器的位置，请考虑您想要获得的测量类型。大多数常见的机器故障，如不平衡或未对准，都源于转子，通常会导致转子振动增加。如果集成330500 Velomitor输出以测量位移，则来自干扰和传感器电路的电噪声会被放大。噪声会降低330500换能器的性能，并产生不准确的位移数据。为了获得高质量的数据，将传感器放置在能够通过轴承箱或机壳最好地检测机器振动的位置。选择一个位置、接地和屏蔽，使振幅和频率响应最大化，并减少不代表实际机器振动的数据。Bently Nevada提供工程服务，以确定安装传感器的最佳位置。如需帮助，请访问Bently.com。330500 Velomitor压电速度传感器数据表Bently Nevada机械状态监测141632 Rev.P规范参数规定为+20°C至+30°C（+68°F至+86°F），频率为100 Hz，除非另有说明。在规定范围外操作传感器可能导致错误读数或机器监控丢失。
电灵敏度
3.94mV/mm/s（100 mV/in/s）±5%。频率响应4.5 Hz至5 kHz（270 cpm至300 kcpm）±3.0 dB。6.0 Hz至2.5 kHz（360 cpm至150 kcpm）±0.9 dB。在工作温度范围内，温度灵敏度通常为-14%至+7.5%。速度范围1270 mm/s（50 in/s）峰值。横向灵敏度小于灵敏度的5%。振幅线性度±2%至152 mm/s（6 in/s）峰值。安装谐振频率大于12 kHz。输出偏置电压-12±3.0 VDC，参考引脚A温度过高。动态输出阻抗小于2400Ω 宽带噪声本底（4.5 Hz至5 kHz）0.004 mm/s（160μin/s）rms，标称接地外壳隔离电缆最大长度305米（1000英尺），部件号02173006，无信号衰减。环境限制工作温度范围-55°C至121°C（-67°F至250°F）冲击耐受性5000 g峰值，最大相对湿度100%非浸没；箱子是密封的。基本应变灵敏度0.005 in/s/µ应变。磁场敏感性<51µin/s/高斯（50高斯，50-60Hz）。典型体重142克（5.0盎司）。直径25.3 mm（0.995英寸）。高度63.2 mm（2.49英寸）。外壳材料316L不锈钢。连接器2针Mil-C-5015气密密封，316L不锈钢外壳。安装扭矩最大32-46 kg cm（24-40 in-lb）极性当传感器壳体朝连接器移动时，针脚A相对于针脚B变为正。
Piezoelectric speed sensor
Explain that Bently Nevada Velomitor piezoelectric velocity sensors are designed to measure absolute (relative to free space) bearing housing, housing, or structural vibration. The 330500 is a special piezoelectric accelerometer with embedded integrated electronic devices integrated in the solid-state design. Since the 330,500 uses solid state electronic devices and has no moving parts, it will not be affected by mechanical degradation and wear, and can be installed vertically, horizontally or at any other angle to place the measurement housing If you are measuring the machine housing to determine the location of the sensor, please consider the type of measurement you want to obtain. Most common machine failures, such as imbalance or misalignment, originate in the rotor and usually result in increased rotor vibration. If the 330,500 Velomitor output is integrated to measure displacement, electrical noise from the interference and sensor circuits will be amplified. Noise will degrade the performance of the 330500 transducer and produce inaccurate displacement data. In order to obtain high-quality data, place the sensor at the position where the machine vibration can be best detected through the bearing housing or casing. Select a location, ground, and shield to maximize amplitude and frequency response and reduce data that does not represent actual machine vibration. Bently Nevada provides engineering services to determine the best location to install the sensor. For help, visit Bently com。 330500 Velomitor Piezoelectric Speed Sensor Data Sheet Bently Nevada Mechanical Condition Monitoring 141632 Rev. P Specification Parameters are specified as+20 ° C to+30 ° C (+68 ° F to+86 ° F), with a frequency of 100 Hz, unless otherwise specified. Operating the sensor outside the specified range may result in incorrect readings or loss of machine monitoring.
Electrical sensitivity
3.94mV/mm/s（100 mV/in/s）±5%。 Frequency response 4.5 Hz to 5 kHz (270 cpm to 300 kcpm) ± 3.0 dB. 6.0 Hz to 2.5 kHz (360 cpm to 150 kcpm) ± 0.9 dB. In the operating temperature range, the temperature sensitivity is usually - 14% to+7.5%. Speed range 1270 mm/s (50 in/s) peak. The transverse sensitivity is less than 5% of the sensitivity. Amplitude linearity ± 2% to 152 mm/s (6 in/s) peak. The installation resonant frequency is greater than 12 kHz. The output bias voltage is - 12 ± 3.0 VDC, and the temperature of reference pin A is too high. The dynamic output impedance is less than 2400 Ω broadband noise background (4.5 Hz to 5 kHz) 0.004 mm/s (160 μ In/s) rms, with a maximum length of 305 meters (1000 feet) for a nominal grounded enclosure isolation cable, part number 02173006, and no signal attenuation. Environmental limitations Operating temperature range - 55 ° C to 121 ° C (- 67 ° F to 250 ° F) Impact resistance 5000 g peak, maximum relative humidity 100% non immersion; The box is sealed. Basic strain sensitivity 0.005 in/s/µ strain. Magnetic field sensitivity<51 µ in/s/Gauss (50 Gauss, 50-60Hz). Typical weight 142 g (5.0 oz). 25.3 mm (0.995 inch) diameter. Height 63.2 mm (2.49 in). The shell material is 316L stainless steel. Connector 2-pin Mil-C-5015 hermetically sealed, 316L stainless steel housing. The maximum installation torque is 32-46 kg cm (24-40 in lb) Polarity When the sensor housing moves toward the connector, pin A becomes positive relative to pin B.
