Digital PH electrode

• Main Authors: TANG JIN, CUI YONGHAI
• Format: Patent
• Language: Chinese; English
• Published: 25.12.2020
• Subjects: CONTROL OR REGULATING SYSTEMS IN GENERAL; CONTROLLING; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; MEASURING QUANTITY OF HEAT; MEASURING TEMPERATURE; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS; PHYSICS; REGULATING; TESTING; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR

The utility model discloses a digital PH electrode which comprises a chip, the chip is composed of a system control circuit, a power supply circuit, an analog signal processing circuit and a communication interface circuit, the system control circuit is respectively connected with the power supply circuit, the communication interface circuit and the analog signal processing circuit, and the powersupply circuit is connected with the analog signal processing circuit and the communication interface circuit. The analog signal processing circuit comprises a PH signal acquisition circuit and a temperature signal acquisition circuit. According to the utility model, the built-in chip is adopted, the chip is arranged in the electrode shell, no instrument needs to be additionally arranged, only thechip needs to be directly put into use like a traditional electrode, digital communication is adopted, the theoretical transmission distance can reach 1 kilometer, direct current is adopted for powersupply, and the probabilit