The operational principle of the combustion efficiency meter and the basic circuits for thermocouple temperature measurement, oxygen measurement, co measurement are introduced.

介绍燃烧效率测定仪的工作原理及热电偶测温、氧测量、一氧化碳测量的基本电路。

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The high accuracy size measure meter improved the accuracy of bearing parts and production efficiency by digit transformation of signal.

这种高精度尺寸测量仪通过信号的数字化转换，提高了加工件的精度和生产效率。

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The traditional power meter calibrating system usually has the shortcomings of low efficiency and large volume due to its standard voltage and current source rely on the analog amplifier.

传统的电力校表台由模拟功放向待校电表及标准表提供校表电流，造成系统效率低、体积大、重量重。

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"In terms of energy efficiency and conservation, just installing a smart meter isn't going to have much effect, " says Greg Guthridge, a smart-grid consultant with Accenture.

FORBES: Energy