pHTestr Family


  • 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
  • Push-Button Calibration with Auto-Buffer Recognition - quick, easy calibration with no calibration mistakes
  • No. of Calibration Points: 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


  • 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.


  pHTestr10 pHTestr20 pHTestr30 pHTestr10BNC pHTestr Spear
Range -1.0 to 15.0
Resolution 0.1pH 0.01pH
Accuracy ±0.1 pH  ±0.01 pH   
 Temperature  NA NA
0 to 50.0 ºC; ±0.5 ºC  
 ATC Yes
 Sensor Double Junction   BNC 


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