Knick – Portavo 904 pH

Knick – Portavo 904 pH

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Knick – Portavo 904 pH


Robust, intuitive portable pH meter with data logger, USB port and lithium-ion batteries.Up to 5,000 values can be recorded using the integrated data logger. These data can be easily transferred to a computer for analysis using the USB interface and the included Paraly SW 112 software.


  • A sensor quiver protects the sensor from damage and drying out
  • The high-performance polymer housing ensures low water consumption and high impact resistance
  • Over 1,000 hours of measurement with a single set of batteries (4x AA)
  • Li-ion battery
  • Data logger with 5,000 values
  • Micro USB port and Paraly SW 112 software
  • Memosens sensors and analog pH sensors can be used on one device (e.g flat-membrane sensors)
  • The mineral glass display is perfectly readable even after years


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