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Milwaukee TDS Tester with ATC and 1 point manual calibration - CD600

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Milwaukee TDS Tester with ATC and 1 point manual calibration - CD600

Milwaukee TDS Tester with ATC and 1 point manual calibration - CD600


CD600 TDS Tester with ATC and 1 point manual calibration by Milwaukee

The Milwaukee CD600 Total Dissolved Solids (TDS) Pen is designed for hydroponics, aquariums, horticulture, water conditioning and many other applications. The CD600 helps you make sure that your plants are receiving the right amount of nutrient or helps you keep your filters up-to-date and clean for water filtration. Keep TDS in your target range to help your achieve better results.


  • Measures Total Disolved (TDS) direct and with automatic temperature compensation.
  • Ideal range for hydroponics (0 to 1990 ppm).
  • Units in ppm easily convertable to μS/cm.
  • Factory calibrated with the ability to recalibrate if needed.
  • Automatic Temperature Compensation (ATC).
  • 350 hours continuous use (4 x 1.5V batteries included).
  • Simple one point calibration.


TDS/PPM electrodes can develop nutrient build up over time. To miminize build up, always rinse the probe in fresh tap or DI water after every use.


The Milwaukee TDS Pen, like all TDS meters, provides a measure of Total Dissolved Solids (ppm) reading, of contaminates per unit of volume in a solution.

TDS/PPM is often converted to μS/cm. Different scales include the 500 scale, 650 scale and the 700 scale.

Your TDS/PPM readings can be approximately converted to μS/cm as shown in the examples below.

1 ppm = 2 μS/cm on the 0.5 factor scale

1 ppm = 1.43 μS/cm on the 442 scale or .70 factor scale

Range: 0 to 1990 ppm
Resolution: 10 ppm
Accuracy: ±2% Full Scale
Typical EMC Deviation: ±2% Full Scale
Calibration: Manual, at 1 point through trimmer
Temperature Compensation: Automatic from 5 to 50°C, with ß=2%/°C
Environment: 0 to 50°C / 32 to 122°F; max RH 100%
Battery Type: 4 x 1.5V Alkaline (included)
Battery Life: Approx. 350 hours of continuous use
Calibration Solution: M10032B (25 sachets 20 mL ea.)
Dimensions: 6 x 1.2 x 0.95 inches (180 x 65 x 32 mm)
Weight: 3.5 ounces (0.99 g)

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