YSI - a Xylem brand

- Model ORP15A - Pen-Style ORP Instrument



The ORP15A is part of the EcoSense family of products. The ORP15A offers accurate, low-cost measurement of ORP (absolute and relative) along with temperature.

The ORP15A offers accurate, low cost measurement of ORP (absolute and relative mV) and temperature. Measuring these parameters in a pen-style instrument that's also simple and compact means you get the most convenient sampling method available.

The ORP15A is an easy-to-use mV instrument for food (such as vegetable washing and sanitizers), swimming pools, wastewater, and aquaculture. Also includes a graphic display with on-screen instructions.


  • Waterproof IP-67 case
  • 1-year warranty; 6-month electrode warranty
  • Absolute and relative readings
  • Replaceable electrodes
  • 50-set memory
  • Low battery indicator
  • Hold feature locks readings on display
  • CE compliance
  • >200 hour battery life with low battery indicator

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