• 除此之外还有利用差动变压器曲线应变电感变换方式,以及电阻压力变送器

    Besides there is also some alternatives such as an inductance conversion using differential transformer and space curve deformeter and variable resistance pressure transmitter.

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  • 试验结果表明利用电阻热膜风速进行温度自动校正取得了较为理想效果

    The experiment results show that the HFA which USES the platinum resistance as temperature automatic calibration could obtain an ideal effect.

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  • 与数字多用表不同,微欧姆没有内部电阻(RS),所以四条引线连接才能进行测量

    It doesn't have the internal resistors (rs), as in the DMM, so all four leads must be connected to make a measurement.

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  • 所以需要使用具有输入电阻电压表例如静电

    Therefore, a voltmeter with high input resistance, such as an electrometer, is required.

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  • 因此谨慎做法定期地静电欧姆测量测试夹具电缆绝缘电阻保证完整性

    Therefore, it's prudent to measure the insulation resistance of the test fixtures and cables periodically with an electrometer ohmmeter to ensure their integrity.

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  • 测试电路绝缘电阻成功地进行静电测量首要要求之一

    High resistance insulation in the test circuits is one of the first requirements of making successful electrometer measurements.

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  • 为了监测输出电压,将一个伏特负载电阻并联一起。

    To monitor the output voltage, a voltmeter is connected in parallel with the load resistance.

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  • 2 - 24静电皮安的过载保护电路,其中包括一个电阻两个二极管(1n3595)。

    Figure 2-24 shows a protection circuit for an electrometer ammeter or picoammeter, consisting of a resistor and two diodes (1n3595).

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  • 如果负载电阻直接连接伏特输入端子通过继电器触点电流产生电压得的电池电压存在误差。

    If the load resistor was connected directly across the voltmeter input terminals, the current through the relay contacts would cause a voltage drop and the measured cell voltage would be in error.

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  • 2-3给出了典型的反馈安培各种测量范围内最小电阻推荐

    Table 2-3 summarizes minimum recommended source resistance values for various measurement ranges for a typical feedback ammeter.

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  • 注意这种测量方法线电阻测量,使用静电电压表外部电流可以进行线测量。

    Notice that this is a two-wire resistance measurement compared to using the electrometer voltmeter and external current source, which can make a four-wire measurement.

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  • 这个通常数字多用表或者欧姆来测量。

    This small resistance is normally measured with a DMM or a micro - ohmmeter.

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  • 有些静电皮安具有内置电压,能够自动未知电阻

    Some electrometers and picoammeters have voltage sources built into the instrument and automatically can calculate the unknown resistance.

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  • 电阻RL电流限制电阻器,用来保护开关静电不受电流的损害。

    The resistors (RL) are current limiting resistors used to protect the switches and electrometer from high current.

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  • 由于安培电压可以忽略,所以所有测试电压都出现电阻R上。

    Since the voltage drop across the ammeter is negligible, essentially all the test voltage appears across R.

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  • 采用恒流可以使用静电电压表电流或者使用静电欧姆测量电阻

    High resistance measurements using the constant-current method may be made using either an electrometer voltmeter and current source or just an electrometer ohmmeter.

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  • 2 - 39所示为静电电压电阻器串联组成电流源相连接

    Figure 2-39 shows an electrometer connected to a current source that consists of a voltage source in series with a resistor.

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  • 然而有的静电皮安内部装有电压能够直接测量电阻

    Some electrometers and picoammeters, however, have a built-in voltage source and are capable of measuring the resistance directly.

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  • 2-33示出静电欧姆测量电阻R)的情况。

    Figure 2-33 shows the electrometer ohmmeter measuring a resistance (R).

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  • 同时分析了应变电阻应变长度测试灵敏度影响

    The influence of resistance strain gauge length in strain-ring on measuring sensitivity is analysed as well.

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  • 本文介绍了一种根据实际情况电位固定电阻结合方法,提高电位电路中的精度

    It also introduces a method according to the actual situation to put a fixed resistance combination of potentiometer, and it improved the accuracy of circuit.

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  • 电阻应变的位置布局利用空间对称结构形式,从而实现信号加强补偿以及通道冗余功能

    The reinforcement and compensation and multiple channel redundancy of signals are realized by using space symmetric structure of resistance strain gauges.

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  • 方法中,(V)未知电阻(R)安培(IM)相串联。

    In this method, a constant voltage source (v) is placed in series with the unknown resistor (r) and an ammeter (IM).

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  • 静电欧姆电流激励(IR)流过未知电阻(RS),然后测量dut电压(VM)。

    Here, an electrometer ohmmeter is forcing a current (IR) through the unknown resistance (RS) and then measuring the voltage (VM) across the DUT.

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  • DUT电阻影响反馈安培噪声性能。源电阻降低,安培噪声增益增加

    The source resistance of the DUT will affect the noise performance of a feedback ammeter. As the source resistance is reduced, the noise gain of the ammeter will increase.

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  • 本文采用大子、小子样抽样理论数理统方法,评定电阻应变灵敏系数精度等级

    The rank of accuracy of electric resistance strain gage factor is evaluated according to the sampling theory of large samples or small samples.

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  • 本文采用大子、小子样抽样理论数理统方法,评定电阻应变灵敏系数精度等级

    The rank of accuracy of electric resistance strain gage factor is evaluated according to the sampling theory of large samples or small samples.

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