General description Electronic pH meter set for measuring water acidity, designed for easy and accurate readings. Technical specifications Range: 0.00 - 14.00 pH Resolution: 0.01 pH Accuracy: 0.1 pH Compensation temperature: 0°C - 50°C Battery: 4x 1.5V (AG-13) Operating temperature: 0°C - 50°C Size: 150mm x 30mm x 20mm Compatibility and accessories Includes: pH test device 4 LR44 batteries Screwdriver Borax solution pH: 4.01 Phosphate solution pH: 6.86 Installation Remove protection cap. Clean electrode with distilled water and dry with filter paper. Turn on the pH meter using the "ON-OFF" switch located on the top of the battery cover. Usage Immerse the electrode of the pH meter in the solution up to the draught level, ensuring not to submerge above the display level. Stir gently and wait for the reading to stabilize. After use, switch off the device, clean the electrode with distilled water, and replace the protective cap. Recalibrate the device pH range before every use, when the