Professional Water pH Meter – Digital LCD Tester with Automatic Calibration, 0–14 pH Range, Ideal for Aquarium, Pool & Drinking Water

Overview

Ensure accurate water quality testing with this high-precision digital pH meter. Designed with a 0.01 resolution LCD display and automatic calibration function, it provides quick, reliable readings across a full 0–14 pH range. Whether you’re maintaining an aquarium, checking pool water, managing hydroponics, or conducting lab experiments, this compact tester offers professional-grade accuracy in a portable pen-type design.

Key Features

• Fast & Accurate Readings – High-precision measurement with ±0.01 accuracy, eliminating the need for messy strips or charts.
• Easy to Use – Simply immerse the electrode in solution; results appear instantly on the backlit LCD screen.
• Automatic Calibration – One-button calibration with included buffer powders ensures consistent accuracy.
• Wide Application – Perfect for aquariums, swimming pools, hydroponics, drinking water, spas, laboratories, and more.
• Portable & Compact – Lightweight, pocket-sized design for easy carrying and on-the-go water testing.

How to Use

1. Remove protective cap and rinse electrode with distilled water.
2. Turn on the meter using the ON/OFF button.
3. Immerse the electrode into the solution (do not exceed the immersion line).
4. Stir gently and wait ~30 seconds for stable readings.
5. After use, rinse the electrode with distilled water, dry with filter paper, and replace cap.

Calibration Instructions

1. Prepare buffer solutions (pH 6.86, 4.00, or 9.18 as needed).
2. Immerse electrode in buffer solution.
3. Hold the CAL button for 5 seconds until the display flashes the calibration value.
4. Wait until stable, then rinse and repeat with additional buffer solutions if required.
5. Recalibrate whenever the meter is unused for long periods, after battery replacement, or if readings seem inaccurate.

Important Reminders

• Always recalibrate after long storage or battery replacement.
• Handle the glass bulb electrode with care – avoid touching it with fingers or hard objects.
• Rinse electrode with distilled water after each use to prolong accuracy and lifespan.

Ensure water safety and quality control with this professional pH tester – compact, accurate, and ready to use wherever you need it.