330780-50-00前置器是一种电子信号处理器：

一、基本属性

品牌：本特利（Bently）

型号：330780-50-00

产地：美国

二、技术规格

供电电压：±15Vdc至18Vdc（另有说法为24V或24VDC）

输出方式：限幅±10V输出

输出阻抗：不大于10Ω

最大输出电流：50mA

消耗电流：不大于12mA

灵敏度误差：在±7.5%以内

工作温度：不同来源给出的数据有所不同，有-30℃至100℃（选用25探头前置器时）、-35°C至+65°C、0°C~+45°C（在特定测试条件下）等说法，另有说法称工作温度可达150°C（供电电压为24V时）

温度范围：0°~120°（某商家提供的数据）

外形尺寸：12*10*5mm

精度：对于经校准的探头及延伸电缆，互换同型号的前置器带来的误差不超过±5%

电源变化影响：电源每变化1V，输出变化不超过±0.02%

温漂系数：不大于0.05%/℃（在特定工作温度范围内）

三、功能特点

为探头线圈提供高频交流电流。

对接收到的信号进行处理，生成随探头端面与被测金属导体间距线性变化的电压或电流信号。

四、应用领域

330780-50-00前置器通常用于需要精确测量金属导体间距的场合，是工业监测和控制系统中的重要组件。

五、注意事项

在使用330780-50-00前置器时，应确保供电电压稳定，并在规定的工作温度范围内使用。

定期对前置器进行校准和维护，以确保其测量精度和性能。

The 330780-50-00 preamplifier is an electronic signal processor:

1、 Basic attributes

Brand: Bently

Model: 330780-50-00

Origin: United States

2、 Technical specifications

Supply voltage: ± 15Vdc to 18Vdc (also known as 24V or 24VDC)

Output mode: Limiting ± 10V output

Output impedance: not greater than 10 Ω

Maximum output current: 50mA

Current consumption: not exceeding 12mA

Sensitivity error: within ± 7.5%

Working temperature: The data provided by different sources may vary, ranging from -30 ℃ to 100 ℃ (when using a 25 probe preamplifier)- There are claims such as 35 ° C to+65 ° C, 0 ° C to+45 ° C (under specific testing conditions), and another claim that the operating temperature can reach 150 ° C (when the supply voltage is 24V)

Temperature range: 0 °~120 ° (data provided by a certain merchant)

Dimensions: 12 * 10 * 5mm

Accuracy: For calibrated probes and extension cables, the error caused by exchanging the same model of preamplifier shall not exceed ± 5%

Impact of power supply changes: For every 1V change in power supply, the output change does not exceed ± 0.02%

Temperature drift coefficient: not greater than 0.05%/℃ (within a specific working temperature range)

3、 Functional Features

Provide high-frequency AC current to the probe coil.

Process the received signal to generate a voltage or current signal that varies linearly with the distance between the probe end face and the measured metal conductor.

4、 Application Fields

The 330780-50-00 preamplifier is typically used in situations where precise measurement of metal conductor spacing is required and is an important component in industrial monitoring and control systems.

5、 Precautions

When using the 330780-50-00 preamplifier, it should be ensured that the power supply voltage is stable and used within the specified operating temperature range.

Regularly calibrate and maintain the preamplifier to ensure its measurement accuracy and performance.

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