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TDS tester

Lab Expo TDS testers ensure accurate measurement of total dissolved solids in water. These are compact, portable devices with a digital display for easy interpretation. We also offer durable waterproof models with pre-calibrated settings or auto-calibration. Our TDS testers deliver reliable measurements with accuracy and battery life, operating well across standard temperatures.

TDS accuracy

TDS factor

Calibration points

TDS type range

Calibration solutions

Pocket TDS Tester 25-PTS100

  • TDS range : 0.5 to 100.0 ppm
  • TDS accuracy : ± 1 % F.S.
  • TDS factor : 0.4 to 1.0 (default 0.5)
  • Calibration points : 1 point
$494.00
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Pocket TDS Tester 25-PTS101

  • TDS range : 5 to 1000 ppm
  • TDS accuracy : ± 1 % F.S.
  • TDS factor : 0.4 to 1.0 (default 0.5)
  • Calibration points : 1 point
$494.00
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Pocket TDS Tester 25-PTS102

  • TDS range : 0.05 to 10.00 ppt
  • TDS accuracy : ± 1 % F.S.
  • TDS factor : 0.4 to 1.0 (default 0.5)
  • Calibration points : 1 point
$494.00
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Pocket TDS Tester 25-PTS103
  • TDS range : 0 - 20 ppt
  • TDS accuracy : ± 1 % F.S.
  • TDS factor : 0.1 to 1.0 (default 0.5)
  • Calibration points : 1 - 3 points
$507.00
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