SMART SENSOR Aquarium Digital Display Pen Type Water PH Tester, PH808S Option:PH808S The romantic feelings on retro

The romantic feelings on retro fusing with the modern delicacy

SIM/P-SAM Slot x 2

the alarm can be used as a burglar alarm with a high-volume speaker

Use time: about 120min

ProBook430 G7

SMART SENSOR Aquarium Digital Display Pen Type Water PH Tester, PH808S Option:PH808S The romantic feelings on retro1. pH Measurement Range: 0. 0~14. 0pH 2. Portable pH meter, high accuracy, stable operation. It measures the pH value of a solution and displays the temperature of the liquid being measured. Widely used in: industry, power, agriculture, medicine, food, scientific research, and environmental protection. 3. When the pH value is below 3. 5, the red backlight illuminates as an alarm, indicating that the liquid is approaching strong acidity; when the pH