Apera Instruments LLC-AI221 SX610 Waterproof pH Pen Tester
Apera Instruments LLC-AI221 SX610 Waterproof pH Pen Tester

Apera Instruments, LLC-AI221 SX610 Waterproof pH Test Pen ± 0.1 pH Accuracy 0-14.0 pH Range for Test Tube Tester Interchangeable Probe

The Aprea Instruments SX610 pH Test Pen is designed to provide reliable measurements with simple one-button operation in a compact body. Cost effective choice for general pH testing including hydroponics, aquaculture, water treatment, swimming pools, spas, beverage manufacturing, education etc. Simple automation. Calibration (single point: pH 7.0) with buffer recognition, automatically from 0 to 60 °C. Temperature compensation (ATC), 0.1pH/1. The accuracy is 0°C and the pH measurement range is 0-14.0. Smart Features: F to C switch, auto power off, low battery alarm, pH probe inactivity reminder (reminds you to replace the probe for reliable performance). The instrument is supplied with a complete set of pre-mixed titration solution (7.0pH), storage solution (3M KCL), CR2032 lithium battery, all in a small carrying case. IP57 waterproof and dustproof Floating on the water, don't worry if you accidentally fall into the water. This product is CE and RoHS certified and manufactured under an ISO 9001:2015 certified quality system. Do not store the probe in distilled or deionized water as this will damage the electrodes. Rinse the pH probe with distilled water only.


  • Simple one-button operation, stylus pen design with interchangeable sensors (suitable for cuvette measurements)
  • automatic calibration with automatic buffer detection; Automatic Temperature Compensation (ATC) ensures accuracy at different temperatures (0-60.0°C)
  • Complete kit with ready-to-use calibration solution, KCl storage solution and batteries in a portable carrying case
  • Intelligent function: change the temperature unit from F to C, auto power off, low battery alarm, pH probe failure reminder
  • Reminders to automatically detect fixed values ​​improve consistency and remove guesswork from manual measurements

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