Tester digital PH metru PH-009(I)A cu praf de calibrare dispozitiv

Technical Specifications:

Measures pH values between 0.0 and 14.0;

pH measurement resolution: 0.1;

pH measurement accuracy: ± 0.1;

Operating temperature: 0°C - 50°C;

Manual calibration with two solutions: pH 4.0 and pH 6.86.

Calibration Instructions:

1. First, rinse the pH meter tip with distilled water to clean it. Do not rub the tip, as this may damage it.

2. Next, prepare the pH 6.86 solution. Pour the sachet into 250 ml of distilled water, then immerse the pH meter tip into the solution with a known pH of 6.86. Wait for the reading to stabilize and adjust the pH meter with the screwdriver to a pH value of 6.9.

3. Rinse the pH meter tip in a glass of distilled water without any buffer to avoid contaminating the next solution you prepare.

4. Repeat the same procedure with the pH 4.00 sachet as you did with the pH 6.86 sachet.

Package Contents:

1x Digital pH Meter Tester PH-009(I)A

2x Sachets with calibration powder

1x Mini screwdriver