PH electrode internal resistance detection device
The pH electrode internal resistance detection device is characterized in that the number of detection channels is more than one, the detection channels are connected with a signal acquisition module, the signal acquisition module is connected with an MCU, the MCU is in communication connection with...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The pH electrode internal resistance detection device is characterized in that the number of detection channels is more than one, the detection channels are connected with a signal acquisition module, the signal acquisition module is connected with an MCU, the MCU is in communication connection with a configuration screen through an RS485, and the configuration screen is connected with a cloud platform; the temperature and voltage conversion module of the detection channel is connected with the signal acquisition module, the external resistance module of the detection channel is connected with the MCU, the pH voltage conversion module is respectively connected with the signal acquisition module and the pH electrode, and the external resistance module is connected between the pH electrode and the pH voltage conversion module; the configuration screen controls Rs in the external resistance module not to be connected in parallel to the pH voltage conversion module through the MCU, the signal acquisition module a |
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