Xiao Mi Digital TDS Aquarium Water Quality Tester Purity Pen meter (PPM)

RM 35.00

Out of stock

Out of stock

Product Description

Total Dissolved Solids (TDS) are the total amount of mobile charged ions, including minerals, salts or metals dissolved in a given volume of water, expressed in units of mg per unit volume of water (mg/L), also referred to as parts per million (ppm). TDS is directly related to the purity of water and the quality of water purification systems and affects everything that consumes, lives in, or uses water, whether organic or inorganic, whether for better or for worse.

Summary, TDS gives you a reference value what is dissolved in your water in the form of waste, minerals, liquid fertilizers, etc. Another crucial maintenance tool beside TDS meter especially for water monitoring. Most of the hobbyist will have at least one unit.

  • Accurately test your water quality
  • The lower the TDS value is, the purer the water is
  • Determines whether purification is required
  • IPX6 waterproof
  • Precision in measurement
  • Automatic temperature calibration

Product Specification

  Measuring Range  0 – 999 ppm TDS
  Accuracy  ± x%
  Product Dimension  xxmm W x xxmm D x 155mm L
  Colour  White



  1. Remove the pen’s cap, and turn on the “on/off” switch.
  2. Dip the TDS pen into the test solution, the solution should not exceed 2cm height.
  3. Agitate pen in the solution until the reading is stable (2-6 seconds), TDS value will be displayed on the screen.
  4. Keep the pen head dry after using, wash with clean water and put back the pen cap.

Caution: Avoid TDS pen body immersion directly into water, avoid direct sunlight, away from heat, avoid the impact weight and fall.

Weight0.3 kg
Dimensions8 × 3 × 2 cm


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