Tuya 6 In 1 WiFi Water Quality Tester pH TDS EC SG Salt Temp

Meet the Tuya 6 In 1 WiFi Water Quality Tester (YY-W9909) — a smart, compact solution for real-time water quality monitoring. This 6-in-1 device tracks pH, total dissolved solids (TDS), electrical conductivity (EC), SG (specific gravity), salinity, and water temperature, helping you keep environments like aquariums, aquaculture systems, pools, drinking water, and laboratories consistently safe. With a backlit display and seamless Tuya APP connectivity, you can view current readings, access historical data, and receive alerts when values drift out of range. Built with high-accuracy probes, corrosion-resistant materials, and a long service life, this tester delivers quick, stable data for reliable decisions. It plugs into standard mains power (110V/220V, depending on region) and continuously uploads data for effortless monitoring.

Benefits & Tips

• Real-time monitoring with Tuya APP: check current readings, review historical trends, and set alarms for abnormal data anywhere, anytime.
• Versatile 6-in-1 measurement: perfect for aquarium and pond care, aquaculture, swimming pools, safe drinking water, and laboratory testing.
• Easy calibration and data logging: maintain accuracy with pH calibration and track quality trends over days, weeks, and months.

Product specifications

• Color: Green
• Material: ABS
• Plug: EU/US (optional)
• Input Voltage: 110 V / 220 V (optional)
• Ranges:
  • EC: 0-19000 µS/cm
  • pH: 0.00-14.00 pH
  • TDS: 0-19990 ppm
  • SALT: 0-199.9 ppt (0-20%)
  • SG: 0.990-1.400
  • Temp: 0°C-50°C (32°F-122°F)
• Resolution:
  • pH: 0.01 pH
  • EC: 1 µS/cm (<1000 µS/cm); 10 µS/cm (>1000 µS/cm); 0.1 mS/cm
  • TDS: 1 ppm (<1000 ppm); 10 ppm (>1000 ppm); 0.1 ppt
  • SALT: 1 ppm (≤1000 ppm); 10 ppm (>1000 ppm); 0.1 ppt; 0.01%
  • SG: 0.001
  • Temp: 0.1°C (0.2°F)
• Accuracy: pH ±0.03 pH; EC/TD S/SALT ±2% F.S.; Temp ±1.0°C
• Temperature Compensation: 0°C-50°C
• Operating Temperature: 0°C-50°C
• Item Size: 130 × 77 mm (5.1 × 3.0 in)
• Package Size: 290 × 240 × 55 mm (11.4 × 9.4 × 2.2 in)
• Package Weight: 820 g (28.9 oz)

Package includes:

• 1 x Water Quality Tester
• 1 x Power Cable
• 1 x Bracket
• 1 x Manual

Warnings / Reminders

• Power supply: ensure you use the correct voltage for your region (110V or 220V).
• Calibrate pH regularly, especially after maintenance or sensor cleaning.
• Rinse sensors with deionized water after testing and keep the probe clean for accurate readings.
• Avoid immersing the electronics unit; use the provided bracket or proper enclosure for placement.

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