Wholesale pocket digital TDS Pen meter


Portable pocket TDS meters are ideal for measuring total dissolved solids up to 9990 ppm in water (see the product details tab for specific model limitations) .


The compact size of the pocket gauge makes it an ideal choice for use on the road. Its economical price makes it suitable for checking tap water or RO permeating water TDS at home.


TDS testing is quick and easy: just turn on the TDS meter, dip it into the solution to be tested, stir it gently, and wait for the readout to stabilize.

Product Benefit

  • Easy to Use
  • Economical
  • Small, Compact Design for Convenient Storage and Portability
  • Digital Easy-to-Read LCD Screen
  • Auto Shut-off to Preserve Battery Life

Product Feature

  • Test the quality of all kinds of water to ensure that you enjoy the highest quality water.
  • Ideal for use in drinking water filters hydroponic aquarium food and coffee pools and spas.
  • TDS range: 1-9999PPM/mg/L.
  • Auto Shutdown: 10 minutes.
  • Data retention. Automatic temperature compensation.
  • Accuracy: ± 2%
  • Size: 14.2 * 2.3 * 1.3(CM)
  • Batteries: 2 × LR44 batteries (excl. Batteries)
  • It comes with a leather case.


  • TDS is used for drinking water, water filtration and purification, colloidal silver, hydroponics (test your Nutrients) , aquariums, Ro/DI systems, swimming pools and spas, commercial and industrial applications, etc. .
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