The EXTECH RE300 ExStik Redox Messstick is a compact, handheld instrument designed for fast, accurate redox (ORP) measurements in the field, in the lab, or in classrooms. With a precise ±4 mV accuracy, it delivers dependable readings from a portable probe that fits comfortably in your hand. The ExStik format makes it easy to carry, set up, and use wherever water quality testing is needed.

Features

• High-precision redox (ORP) measurement: ±4 mV accuracy for dependable readings.
• Compact ExStik form factor: pocket-sized design for easy handling in the field or lab.
• Rapid readings: fast stabilization to support quick decisions.
• Clear digital display: legible readouts in a variety of lighting conditions.
• Rugged, portable design: built to travel between sites and withstand daily use.

Final Thoughts

With precise redox measurements in a portable package, the RE300 helps you monitor water quality, aquaculture tanks, and laboratory samples with confidence. Order now to add reliable ORP readings to your toolkit and streamline your testing workflow.