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Professional Grade Precision TDS & EC Meter with a sleek design that's perfect for today's modern kitchen
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Handheld TDS/EC meter with a sleek design that's perfect for today's modern kitchen

This TDS meter is the next generation for today's tech-savvy and health-conscience consumer. If you have a reverse osmosis system, how do you know when to change the membrane? The answer is "You don't... unless you have a TDS meter." Everyday we are shocked to hear people ask if their membrane should be replaced and they have no idea of what their water quality might be. A TDS meter to measure your water quality is as important as the Reverse Osmosis System itself.


  • Measures total dissolved solids (TDS), electrical conductivity (EC), and temperature.
  • Automatic Temperature Compensation (ATC)
  • Water-resistant housing
  • Measurement Range: 0-4999 ppm | 0-9999 µs
  • Digital Calibration (push button)
  • Auto-off function, data-hold function and low-battery indicator.
  • Display: large and easy-to-read LCD screen includes color coded backlit display.
  • Factory Calibrated: The US Water TDS Meter is calibrated with a 342 ppm NaCl solution. The meter can be recalibrated with digital calibration using the push buttons, rather than a screwdriver.
  • Includes a cap and batteries.


  • Measurement Range: 0-4999 ppm | 0-9999 µs
  • Temperature Range: 0-80°C; 32-176°F
  • Resolution: 1 ppm; Temp. resolution is 0.1°C/F
  • Accuracy: +/- 2%
  • Conversion Factor: NaCl (avg. 0.5)
  • Calibration: Digital calibration by push button.
  • Housing: Water-resistant
  • Power source: 1 x 3V button cell (included) (model CR2032)
  • Dimensions: 16.2 x 2.9 x 1.6 cm (6.4 x 1.2 x .6 inches)
  • Weight: 42.5 g (1.5 oz)

additional information

ManufacturerUS Water Systems