Read more Safely & quickly remove dust and dirt Two rows of premium quality carbon fiber bristles effectively lift harmful dust and dirt from the vinyl surface
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AMTAST PH tester without calibration pen, PH meter with temperature function, liquid test for household, beverage, laboratory etc., resolution 0.01, 0~14 PH range, temperature 0~60℃ pen type pH meter-01 electronics_new_releases_Aug2023 Read more Safely & quicklyAMTAST PH tester without calibration pen, PH meter with temperature function, liquid test for household, beverage, laboratory, etc., resolution 0. 01, 0~14 PH range, temperature 0~60 No Calibration Pen Type pH Tester USER MANUAL Quick step for use: 1. For the first time or when not in use for a long time, turn off the meter and place the sensor in the sample liquid for approximately 2 5 minutes (do not place the sensor in distilled water). Gently