PH test pen, portable high-precision PH acidity meter PH monitoring instrument pH water quality testing instrument

Product Details: Model: Yellow - Portable PH Acidity Meter, Blue - Portable PH Acidity Meter, Backlit Yellow - Portable PH Acidity Meter, Red - Portable PH Acidity Meter, Yellow - Portable PH Acidity Meter Note: Some customers report that the product has data jumping, which is a normal phenomenon. (When using this product: after being put into the water, the data will always change slowly from the last decimal point. This is because the acidity meter needs to adapt to the testing environment. If it is still for about 1 minute, the data will be stable. This is the data of the final test. In addition, if the water surface is shaking, the data will also jump, so the test must ensure that the water surface is still.) Multiple occasions, easy to handle Widely used in: industry, electric power, agriculture, medicine, food, scientific research and environmental protection, etc Three-point calibration, automatic identification This instrument has three different modes of calibration Calibration steps are very simple, with automatic buffer recognition