WQM-397 Smart 5-in-1 pH / TDS / Salt / S.G / Temperature WiFi Tester Water Quality for Drinking Supply Aquarium Hydroponics Pool Aquaculture

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Introducing the ultimate water quality testing solution for a wide range of applications, our easy-to-use multifunctional instrument is your go-to companion for ensuring the purity and safety of water in various settings. Whether you're concerned about the water quality in your drinking supply, aquarium, hydroponics system, swimming pool, or any other aquatic environment, this versatile tool has got you covered.

Our multifunctional water quality tester with app remote control puts the power of accurate, real-time monitoring in your hands. Don't compromise when it comes to water quality. With our all-in-one water quality tester, you're in control, empowered to make informed decisions for the well-being of your water and everything that depends on it.


  • Multi-functional measure various parameters: pH, Total Dissolved Solids (TDS), salt levels, specific gravity (S.G), and temperature
  • Compact and lightweight
  • A versatile tool for various applications
  • APP Remote Control "Tuya Smart"
  • High precision and accuracy


  • Measuring Range
    • pH: 0~14pH
    • TDS: 0~19900ppm (0~199.0ppt)
    • Salinity: 0~199.0ppt
    • S.G: 0.990~1.400
    • Temperature: 0~50°C (32~122°F)
  • Resolution:
    • pH: 0.01pH
    • TDS: 1ppm (<1999ppm); 10ppm (>1999ppm)
    • Salinity: 1ppm (<1999ppm); 10ppm (>1999ppm)
    • S.G: 0.001
    • Temperature: 0.1°C (0.2°F)
  • Accuracy:
    • pH: ±0.1pH
    • TDS: ±2%F.S
    • Salinity: ±2%F.S
    • S.G: ±2%F.S
    • Temperature: ±1.0°C
  • Temperature Compensation: 0~50°C 
  • Operating Temperature: 0~50°C 
  • Dimension: 100 x 75 x 22mm
  • Weight: approx. 120gms

Set Includes:

  • 1 x 5-in-1 Water Quality Tester
  • 1 x Electrode
  • 1 x Pack of Accessories
  • 3 x pH Buffer Powder
  • 1 x Power plug
  • 1 x English User Manual
  • Standard Factory Packaging

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