Realgoal TDS-3Blue Water Quality TDS Tester Handheld Portable Pen ATC Meter 0-9990 ppm Range 1 ppm Resolution +/- 2% Accuracy for Testing Hydroponics Gardening Aquariums Reefs Pools Spas Water Treatment Drinking Pure Filter system


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TDS (Total Dissolved Solids), which is any salt, metal or mineral in the water. The lower the TDS level, the purer the water, with 0 ppm being pure H2O.
– Shows the TDS value instantly after being immersed into liquid
– Hold Function: Freeze the measurement to view it out of the water.
– Auto-off function: the meter shuts off automatically after 6 minutes of non-use to conserve batteries.
– Includes a TDS chart in the user manual that explains TDS values
– Range: 0-9990ppm(mg/L)
– Temperature range: 0-99 deg c or 32-212 Degree Fahrenheit
– Accuracy: +/- 2%
– Temperature compensation: 0- 60 deg c
– Operating voltage: 2 x 1.5V button cell (not included)
– Battery life: approx. 1000 hrs
– Operating temp: 0-60 deg c
– Calibration: factory calibrated
– Auto-off time: 6 min
– Volume: 142 * 25 * 15 mm
– Weight: 1.27 oz

  • Measure TDS & Temperature
  • ATC
  • Color:Blue
  • Carrying Case Included
  • Commercial amd Home Use,Such As Aquariums, Swimming Pools, RO Drinking Water system, Water Filters, Purifiers and More