• Front and back view of the green and white 5-in-1 digital water quality tester, showing the LCD screen and button layout.
  • A graphic highlighting the 5-in-1 functions (PH/EC/TDS/SALT/TEMP) and voice broadcast feature of the water quality test pen.
  • A collage showing the versatile applications of the water tester, including for potable water, fish farms, labs, aquariums, and swimming pools.
  • The water quality tester being dipped into water, with its measurement ranges for PH, TDS, EC, and SALT displayed.
  • The water tester measuring pH levels in a glass, with a pH scale showing acidity and alkalinity for tap water.
  • The water tester measuring EC (water conductivity) in a fish tank with goldfish, showing reference values for different water types.
  • The water tester measuring TDS in a glass of water, with a reference table showing water purity levels from superpurity to unhealthy.
  • The water tester displaying a salinity reading, with text about recommended daily salt intake for human health.
  • A detailed diagram of the water quality tester, labeling the Type-C port, display screen, buttons, sensing probe, and dimensions.
  • The complete package for the 5-in-1 water quality meter, including the tester, box, manual, and pH calibration buffer powders.
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5-in-1 Digital Water Tester: pH, TDS, EC & Salinity Meter

5-in-1 Digital Water Tester: pH, TDS, EC & Salinity Meter

🔥 1 sold•✓ In stock
HK$125.00
HK$125.00
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Shipping calculated at checkout.

Delivery Options

  • Local delivery within Hong Kong and in-store pickup.​
  • Free shipping for orders of HK$400 or above; HK$35 shipping fee for orders below HK$400.​
  • Shipped by SF Express, usually dispatched the same day for orders confirmed before 6:00 PM (Mon–Sat).​
  • Estimated delivery time: 1–3 business days after dispatch (Hong Kong).​
  • In-store pickup details (location and time) will be confirmed by email or phone message.​
  • Delivery times are estimates and may be affected by weather or unforeseen circumstances.​

The Ultimate 5-in-1 Solution for Pristine Water Quality

Ever wonder about the purity of your water? Stop guessing and start knowing. Our 5-in-1 Rechargeable Water Quality Meter provides instant, accurate readings for everything that matters: pH, TDS, EC, Salinity, and Temperature. Whether you're a dedicated aquarium hobbyist, a meticulous pool owner, or simply want to ensure your drinking water is safe, this is the only tool you'll ever need.

Why Choose Our Multifunctional Water Tester?

  • All-in-One Water Analysis: No more juggling multiple devices. This single, compact pen measures five crucial parameters, giving you a complete picture of your water's health. It's the perfect tool for aquariums, swimming pools, hydroponics, labs, and testing drinking water.
  • Effortless Readings, Day or Night: The large, backlit VA display ensures crystal-clear readings in any light. Plus, our unique voice broadcast feature announces the measurements, making testing faster and more convenient than ever.
  • Lab-Grade Accuracy in Your Hand: Engineered with a highly sensitive probe, this meter delivers reliable and precise results you can trust. Make informed decisions based on data, not guesswork.
    • pH: ±0.05pH precision
    • TDS/EC/Salinity: ±2% high accuracy
  • Test Anytime, Anywhere: Lightweight and portable, this tester fits easily in your pocket. The built-in 400mAh lithium battery is rechargeable via a modern Type-C port, ensuring it's always ready when you are.

What's Included:

  • 1 x 5-in-1 Water Quality Meter
  • 3 x pH Buffer Powder Packets (pH 4.01, pH 6.86, pH 9.18)
  • 1 x User Manual

Product Specifications:

  • Functions: pH / EC / TDS / SALT / Temperature
  • Power: 3.7V 400mAh rechargeable lithium battery (built-in)
  • Charging Interface: Type-C
  • Temperature Compensation: Automatic (0.1-60 °C / 32.1-140 °F)
  • Dimensions: 183.5mm x 40mm

Measurement Ranges:

  • pH: 0.00-14.00pH (Resolution: 0.01pH)
  • TDS: 0-9999ppm (Resolution: 1ppm)
  • EC: 0-9999µS/cm (Resolution: 1µS/cm)
  • Salinity (SALT): 0-9999ppm / 10.1-100ppt / 0.01%-10%
  • Temperature: 0.1-60.0°C / 32.1-140.0°F
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