Portable Water Quality Tester

PH-686 Portable Water Quality Tester – 4-in-1 Digital pH / TDS / EC / Temperature Meter

The PH-686 4-in-1 Water Quality Tester is a compact and reliable instrument designed to measure key water parameters with accuracy and convenience. Combining pH, TDS, EC, and temperature readings in a single device, it provides a complete solution for monitoring water quality in real time.

Ideal for both hobbyists and professionals, this tester delivers fast, stable results and is suitable for a wide range of applications including drinking water, aquariums, hydroponics, and pools.

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Key Features:

• 4-in-1 multifunction meter – measures pH, TDS, EC, and temperature
• High accuracy sensors – delivers reliable and consistent readings
• Large LCD display with backlight – easy to read in any lighting conditions
• Automatic Temperature Compensation (ATC) – ensures accurate measurements across temperatures
• Portable and lightweight design – ideal for field and on-site testing
• One-button operation – simple and user-friendly
• Auto power-off – saves battery life

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Applications:

• Drinking water quality testing
• Aquariums and fish tanks
• Hydroponics and agriculture
• Swimming pools and spas
• Laboratories and environmental monitoring

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Specifications:

• Model: PH-686
• Measurement Parameters: pH / TDS / EC / Temperature
• pH Range: 0.00 – 14.00 pH
• EC Range: 0 – 19990 μS/cm (0–19.9 mS/cm)
• TDS Range: 0 – 19990 ppm
• Temperature Range: 0°C – 50°C (32°F – 122°F)
• Accuracy:
  • pH: ±0.03 pH
  • EC/TDS: ±2% FS
• Resolution: pH 0.01 / Temp 0.1°C
• Power Supply: 3 × 1.5V button batteries (not included)

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Package Includes:

• 1 × PH-686 4-in-1 Water Quality Tester
• 1 × Mini Screwdriver
• 1 × User Manual