Eutech W/P pH Tester 20


Eutech W/P pH Tester 20


Thermo Scientific pHTestr20 pH pen by Eutech Instruments

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General: Ideal for quick and accurate pH checks in pools and spas, aquariums and hydroponics operations, or anywhere frequent pH testing is required.

Industrial: Use for cooling towers, food processing water testing and process/wastewater testing in metal finishing, photo development, printing and chemical industries.

Educational:  Useful in schools, many laboratory applications and ecology studies.


  • Large Display Screen – dual display LCD for enhanced readability, provides comprehensive meter information.
  • Waterproof, Dustproof Housing – IP67 rated, maintains the integrity of your tester even in harsh conditions. Plus it floats.
  • User-Replaceable Sensor: Reuse the same meter body many times.
  • Double Junction Sensor offers longer lasting usage.
  • Push-Button Calibration with Auto-Buffer Recognition. Quick, easy calibration with no calibration mistakes.
  • Choice of USA or NIST pH buffer standards with up to 3 points.
  • Auto-Power Off saves battery power after non-use.
  • Hold Function freezes reading momentarily for easy viewing.
  • Self-Diagnostic for easy troubleshooting (e.g battery indicator, message codes).
  • Enhanced power saving allows extended power consumption up to 500 hrs with single battery set.


  • pH Range: -1.0 to 15.0 pH.
  • Resolution: 0.01 pH.
  • Accuracy: plus or minus 0.01 pH.
  • Number of Calibration Points: 3 points.
  • pH Buffer Options: USA – pH 4.01, 7.00, 10.01, NIST – pH 4.01, 6.86, 9.18.
  • LCD Display: Dual display with battery indicator, error messages/codes.
  • ATC: Yes.
  • Special Functions: Large Dual Custom Display, Self-diagnostic, Hold function, Auto-Power Off after 8.5 minutes.
  • Power: 4 x 1.5V alkaline button cell batteries, >500 hrs.
  • 2 year warranty on Pen, 6 months warranty for sensor.


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