Novel portable pH meter

• Main Author: CHEN SHISHI
• Format: Patent
• Language: Chinese; English
• Published: 28.11.2012
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

A novel portable pH meter relates to the field of chemical instruments and comprises a pH meter housing (1), a pH probe (2), a battery (3), a CPU chip (4), a display (5), a switch key (6) and control keys (7), wherein the pH probe (2) is arranged at the top end of the pH meter housing (1); the battery (3) is arranged at the bottom end of the pH meter housing (1); the CPU chip (4) is arranged in the pH meter housing (1); the display (5), the switch key (6) and the control keys (7) are all arranged on the pH meter housing (1); both the switch key (6) and the control keys (7) are arranged at the lower end of the display (5); and the CPU chip (4) is connected with the display (5), the switch key (6) and the control keys (7) through a control circuit. According to the utility model, the high-performance CPU chip, as well as a high-precision AD (Analog-to-Digital) conversion technology and an SMT (Surface Mount Technology), is adopted, and parameters for measuring the pH value can be stored, calculated and compensa