Upgrade your water testing routine with the MF-X51 5-in-1 Digital Water Quality Meter – a multi-functional, compact, and easy-to-use device built for better efficiency. Whether you're monitoring drinking water, checking aquarium conditions, or optimizing hydroponic systems, this tester delivers fast and reliable readings.

🔍 Functions:

1. TDS (Total Dissolved Solids) – Ensure purity and safety of your drinking water.
2. EC (Electrical Conductivity) – Ideal for checking nutrient and salt levels in hydroponic solutions.
3. pH Meter – Monitor acidity/alkalinity to protect fish and plants.
4. Temperature Sensor – Measures water temperature in °C and °F.
5. Salinity Test – Essential for aquariums, aquaculture, and saltwater tanks.

📦 Product Specifications:

1. Model: MF-X51
2. Measurement Range:
3. TDS: 0-9999 ppm
4. EC: 0-9999 µs/cm
5. pH: 0.00–14.00
6. Temperature: 0–60°C / 32–140°F
7. Salinity: 0.01%–25%
8. Accuracy: ±2%
9. Battery: 4×1.5V LR44 (not included)
10. Display: High-contrast VA LCD with backlight
11. Dimensions: 40 × 30 × 210 mm
12. Weight: 111g ± 8g
13. Auto Shut-off: Yes (after 5 minutes)
14. Backlight: Yes

🛠 Features & Benefits:

1. ✅ 5-in-1 multi-function meter for comprehensive testing
2. ✅ High-contrast backlit LCD for night or low-light use
3. ✅ Automatic Temperature Compensation (ATC) for accuracy
4. ✅ Replaceable batteries, long-lasting performance
5. ✅ Portable and ergonomic design with protective cap
6. ✅ Easy calibration with dedicated mode button
7. ✅ Suitable for aquariums, hydroponics, pools, drinking water, labs, etc.

📘 How to Use:

1. Remove the protective cap.
2. Press the ON/OFF button.
3. Dip the probe into the solution (don’t exceed immersion line).
4. Wait for the reading to stabilize.
5. Use the MODE button to switch between pH, TDS, EC, SALT, TEMP.
6. Use HOLD/TEMP button to freeze or switch temp units.
7. Calibrate if needed using standard buffer solution.

⚠️ Tips & Warnings:

1. Use only in liquid solutions – not suitable for dry material.
2. Rinse probe with distilled water after each use.
3. Do not immerse beyond the immersion line.
4. Calibrate regularly for best results.

📦 Package Includes:

1. 1 × 5-in-1 Digital Water Quality Tester (MF-X51)
2. 1 × User Manual
3. 1 × Protective Cap