In terms of use, laboratory pH electrodes are used for short-term intermittent testing under better environmental conditions, while industrial pH electrodes are used for long-term continuous testing under poor environmental conditions. In terms of performance, laboratory pH electrodes require good accuracy, repeatability and fast response; industrial pH electrodes require long-term stability. From the structural point of view, laboratory pH electrodes are required to be simple and light, while industrial pH electrodes require a firm structure, which must be installed and can resist interference from various electric and magnetic fields.
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