TDS-4 Pocket-Size TDS Meter


Product Code: TDS4

TDS-4 Pocket-Size TDS Meter £15.30

A TDS tester that's ideal for all water purification applications including aquaculture, hydroponics and the aquarium hobby. Perfect for both consumer or commercial use. Carry one in your pocket at all times!


  • The smallest and lightest TDS meter on the market.
  • Highly efficient and accurate due to its advanced microprocessor technology.
  • Hold Function: saves measurements for convenient reading and recording.
  • Sleek design is perfect for personal or consumer use.
  • Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries.




  • Weight: 34g (1.2 oz)
  • Measurement Range: 0-9990 ppm.
  • Resolution: 1 ppm.
  • Accuracy: +/- 2%.
  • Display: large and easy-to-read LCD screen.
  • ATC: Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius (33 to 122 degrees Farenheit)
  • Factory Calibrated: our meters are calibrated with a 342 ppm NaCl
  • Dimensions: 14 x 2.3 x 1.5 cm (5.5 x .9 x .55 inches)