By taking pH meter made of MCU as an example this article introduces the general principle system structure and software making process of intelligent meters.

以用单片机制作智能酸度计为例，介绍了基于单片机的智能仪表的一般原理、系统结构及其软件编制流程。

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Scale, stop-clock, laboratory balance, thermometer, pH meter.

尺规，计时器，电子秤，温度计，酸碱度计。

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Measure pH of the seawater by a pH meter.

用酸碱度计量度水样本的酸碱值。

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But those in the Korean restaurant industry questioned the idea that they have the time and means of using a pH meter and doing acidity tests.

WSJ: Restaurants: City Failing on Kimchi

Nearby is a 650-square-meter laboratory, where some of the company's 175 Ph.

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