YIERYI pH-2 Pro Water Quality Test Pen – Precise pH and Temperature Tester for Drinking Water, Pools, and Aquatic Applications

The YIERYI pH-2 Pro Water Quality Test Pen is your ultimate tool for precise pH and temperature measurement. Designed for professional and household use, it delivers high-accuracy readings for water testing in a variety of environments. With its wide measurement range, automatic calibration, and user-friendly features, this device ensures water safety and quality like never before.

Whether you need to monitor aquarium conditions, ensure the safety of drinking water, or maintain balanced pH levels in swimming pools, the YIERYI pH-2 Pro is the perfect solution.

Note: (Includes 3 Buffer Powders)

The YIERYI pH-2 Pro Water Quality Test Pen comes with 3 calibration buffer powders (pH 4.00, 6.86, and 9.18) to ensure accurate calibration and reliable readings. 

Key Features

• pH Measurement Range: -2.00 to 16.00 pH, suitable for testing a wide range of water types.
• Temperature Range: 0°C–80°C (32°F–176°F) with real-time temperature display.
• Automatic Calibration (ATC): Ensures precise results with easy calibration for stable readings.
• High-Precision Sensor: Features a sensitive glass probe for fast and accurate measurements.
• HD Backlit LCD Display: Clear readings in any lighting conditions.
• Reset Function and Power-Off Data Storage: Saves your data automatically when the device powers off.
• Portable Design: Compact and lightweight, making it easy to use on the go.

Applications

1. Drinking Water Testing: Ensure your tap or filtered water is safe for consumption by maintaining balanced pH levels.
2. Aquariums and Fish Tanks: Monitor water conditions for the health of fish and aquatic plants.
3. Swimming Pools: Maintain optimal pH levels for safe and enjoyable swimming experiences.
4. Laboratory and Research: Ideal for scientific studies requiring accurate water testing.
5. Agriculture and Irrigation: Check water quality to support healthy crop growth and soil conditions.
6. Wastewater Management: Test pH and temperature levels in industrial and municipal wastewater treatment.

Technical Specifications

Why Choose YIERYI pH-2 Pro?

1. High Precision: Accurate readings with a resolution of 0.01 pH.
2. Multifunctionality: Measures both pH and temperature in real time.
3. Easy to Use: Automatic calibration and simple button controls for quick operation.
4. Portable and Durable: Lightweight, compact, and built to last.
5. Wide Range of Applications: Ideal for home, professional, and industrial use.

FAQs

1. How do I calibrate the test pen?
Press the "TEMP/CAL" button and follow the on-screen instructions for automatic calibration.

2. Can it test both pH and temperature simultaneously?
Yes, the YIERYI pH-2 Pro measures pH and temperature in real time.

3. Is it suitable for saltwater aquariums?
Yes, it works perfectly in both freshwater and saltwater environments.

4. Does it include calibration solutions?
Yes, the standard package includes 3 buffer powders (pH 4.00, 6.86, 9.18) for easy calibration.

How to Use ？

1. Power On the Device

• Remove the protective cap from the glass probe.
• Press the ON/OFF button to turn on the test pen.

2. Calibration (Optional for First Use)

• Dissolve the included pH buffer powder (4.00, 6.86, or 9.18) in distilled water to create calibration solutions.
• Submerge the probe in the solution corresponding to the pH value.
• Press the TEMP/CAL button to start the automatic calibration process. Follow the on-screen instructions.
• Rinse the probe with distilled water after calibration to avoid contamination.

3. Measure Water pH and Temperature

• Submerge the probe into the water sample (tap water, aquarium, pool, etc.). Ensure the probe is fully immersed.
• Wait a few seconds for the reading to stabilize.
• The LCD will display the pH value and real-time water temperature simultaneously.

4. Switch Between Temperature Units (°C/°F)

• Press the TEMP/CAL button to toggle between Celsius and Fahrenheit.

5. Save Data or Reset

• Use the reset function if you need to start a new measurement.
• The device will automatically store data when it powers off.

6. After Use

• Rinse the probe thoroughly with clean water to remove residue.
• Replace the protective cap to protect the probe.
• Store the test pen in a dry place.

7. Power Off the Device

• Press the ON/OFF button to turn off the device manually, or let it power off automatically after a few minutes of inactivity.

Tips for Best Results

• Always use fresh calibration solutions for accurate results.
• Avoid using the device in extremely hot or corrosive liquids.
• Clean and dry the probe after each use to prolong its lifespan.

By following these steps, you can achieve reliable and accurate water quality measurements with the YIERYI pH-2 Pro Water Quality Test Pen!