SMART SENSOR Aquarium Digital Display Pen Type Water PH Tester, PH808S Option:PH808S the alarm can be used

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

Various craft techniques

The romantic feelings on retro fusing with the modern delicacy

Plastic material

Wireless roaming

SMART SENSOR Aquarium Digital Display Pen Type Water PH Tester, PH808S Option:PH808S the alarm can be used1. 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