What is TDS? TDS is the "Total Dissolved Solids" in water and measured in parts per million (ppm).

Why is TDS important? Water can be a source of trouble for the Marine or Freshwater aquarist because it can contain chemicals that are irritants or toxic to aquatic organisms.

This TDS meter allows you to analyse the water purity in the aquarium and provides your with a good measure of when to perform water changes.

FEATURES: Highly efficient and accurate due to its advanced microprocessor technology. Hold Function: saves measurements for convenient reading and recording. Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries. A built-in digital thermometer for accurate temperature readings. Display: large and easy-to-read LCD screen. Factory Calibrated: these meters are calibrated at 50 ppm It is recommended the calibration level be close to the samples to be taken with NaCl solution. Meters can be recalibrated with a mini-screwdriver.

SPECIFICATIONS: TDS Range: 0 - 999 ppm (mg/L) Temp. Range: 0 - 80 degrees Celsius Resolution: 1 ppm, 1 degree Celsius
Accuracy: +/- 2% ATC: Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius (33 to 122 degrees Fahrenheit) Power source: 2 x 1.5V button cell. BATTERIES ARE INCLUDED
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