Science At Your FingertipsThe PURAtest TDS Meter is a professional level water test meter that fits in your pocket! TDS testing is a great tool for drinking water, water filtration and purification, hydroponics (test your nutrients), aquariums, RO/DI systems, pools and spas, and more. A TDS meter typically displays the TDS in parts per million (PPM). For example, a TDS reading of 1 ppm would indicate there is 1 milligram of dissolved solids in each kilogram of water and 0 ppm being pure H2O. A TDS Meter indicates the Total Dissolved Solids (TDS) of a solution, i.e. the concentration of dissolved solids in it. Since dissolved ionized solids such as salts and minerals increase the conductivity of a solution, a TDS meter measures the conductivity of the solution and estimates the TDS from that.


  • Great for checking your tap water quality, or knowing when to change a filter. 
  • Accurate Readings: Measurement range of 0-9990 ppm and ±2% highly accurate and quick readings
  • Data Hold Function: Freeze the measurement to view it out of the water
  • Automatic Shut-Off: For lower power-consumption for years of reliable measurement
  • Compact-Size: Lightweight, handheld design; factory calibrated; CE/FCC/ROHS 
  • Quality Assured: Includes 1-Year warranty
  • Note: The meter does not test for biological contaminants.


  • Hold Function: Saves measurements for convenient reading and recording
  • Auto Shut-Off Function: Meter turns off after 8 minutes of non-use to conserve batteries
  • Dual range: Measures from 0-999ppm, with a resolution 1ppm, from 1000 to 9990ppm
  • The resolution is 10 ppm, indicated by drinking *10 symbol
  • Factory calibrated.
  • Range: 0-9990ppm
  • Accuracy: +/-2%
  • Battery: 2*1.5V(AG 13 button cell)
  • Size: 155 x 31 x 23 mm
  • Weight:76g
Current Stock:
TDS-01 Beige
Usually ships within 1-2 business days
9.00 (in)
6.00 (in)
2.00 (in)
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