COD ปากกาทดสอบค่า pH แบบมินิ หน้าจอดิจิตอล เครื่องวัด pH แบบพกพา

Mini pH Value Testing Pen Digital Display pH Tester Portable pH Meter Function Introduction 1. High Sensitivity Probe: The pH meter uses a special glass electrode probe for precise and rapid signal transmission. 2. Battery Powered: Powered by button batteries, easy to replace and durable, requiring recalibration after battery replacement. 3. High Definition Digital Display: The large screen reading is clearer and more intuitive, suitable for the needs of acid-base measurement in various industries. 4. Portable: The test pen comes with a built-in back clip, making it easy to carry. Specification Test Range: 0-14.0PH Accuracy: 0.01PH Error: ± 0.05PH Battery: 2 * 1.5V (LR44) Temperature Compensation: 0 ° C-50 ° C Operating Temperature: 0 ° C-50 ° C Product Size: 155 x 31 x 18mm Package Included 1 x pH Value Testing Pen 3 x Bags of Calibration Powder 2 x Button Batteries Packed Safely in Box. Note: There could be some slight differences in the color tone of the pictures and the actual item. Please allow 1-2mm differs due to manual measurement, thanks.