Portable pH meter with constant temperature water bath and window display

• Main Authors: KE YONGBIN, CHEN QI, GUO XINNIAN
• Format: Patent
• Language: Chinese; English
• Published: 24.07.2018
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention discloses a portable pH meter with a constant temperature water bath and a window display. The portable pH meter comprises: a shell; a pH composite electrode, a temperature sensor, a display screen and a switch which are arranged on the shell; and a battery, a pH conditioning circuit and a man-machine interaction circuit which are arranged in the shell, wherein the man-machine interaction circuit receives the output signal of the pH composite electrode through the pH conditioning circuit, and displays the output signal on the display screen, the battery supplies power to the man-machine interaction circuit, and the switch controls the start and the stop of the man-machine interaction circuit. The portable pH meter also comprises a solution-to-be-detected cup and a water bathcup which are detachably connected to the shell, the shell is provided with an electric heating mechanism, the pH composite electrode and the temperature are covered in the solution-to-be-detected cup, the solution-to-be-dete