When an unknown signal is connected to a measuring device, such as a voltmeter or ammeter, the measurement accuracy is almost entirely determined by the measuring device.

当一个未知的信号被连接到测量装置时，例如伏特计或安培表，测量准确度则几乎完全由测量装置决定。

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In this paper, principle of design and study of three-phase induction motor power measuring device is discussed in theory and practice. And practical measuring unit circuit is used in the device.

本文从理论和实践方面探讨了矿用三相异步电机功率测量装置的设计及研制原理。并用实际测试单元电路实现。

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The paper introduce a method and device of measuring stresses in glaze layer with differential sensing principle. When the glaze is cooled off. The error in measuring of the device was discussed.

本文介绍一种以差动传感原理测量冷却过程中釉层热应力的方法及装置，并对该装置的测量误差进行了分析。

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Doctor Sayre says you do not need a measuring stick or a timing device.

VOA: special.2009.08.11

If you are using anything other than the continuum of your lifetime, you are probably employing the wrong measuring device.

FORBES: Sweat the Small Stuff!

In a study published in 2006, researchers at Carnegie Mellon University who rode 37 airline flights with a radio-frequency measuring device found emissions from cellphones that could interfere with global-positioning satellite systems.

WSJ: 'Turn Off All Electronic Devices:' And What Happens if You Don't

As a material highly sensitive to the environment, graphene could act as a sensor with a single device measuring strain, gas, magnetism or pressure.

BBC: Is graphene really a wonder-material?