The Apera Instruments DO850 Optical Dissolved Oxygen Meter is an advanced, high-precision instrument designed for reliable and effortless dissolved oxygen measurements. Featuring a state-of-the-art optical sensor, this device delivers stable readings within 1 to 3 minutes without the need for membranes or special solutions.

Key Features:

✔ Advanced Optical Sensor – Ensures quick and accurate dissolved oxygen readings without requiring frequent maintenance.
✔ Long Sensor Life – The optical sensor operates for up to 8000 hours, significantly reducing replacement costs.
✔ Easy Calibration & Minimal Maintenance – No membranes or electrolyte solutions required, simplifying upkeep.
✔ Anti-Interference Technology – A special luminescent cap coating prevents interference from external light and chemicals.
✔ Rugged & Waterproof Design (IP57) – Fully protected against dust and water, making it suitable for harsh environments.
✔ Portable & Convenient – Comes with a foldable stand and a durable carrying case for field and laboratory use.
✔ Certified & Warranty-Backed – EC-marked with a 3-year warranty on the meter and 2 years on the electrode.

Complete Set Includes:

• DO850 Oxygen Meter (with foldable stand)
• DO803 Optical Dissolved Oxygen Electrode (with a 3m cable)
• Electrode Calibration Cap
• Replacement Sponge as Water Reservoir
• Small Screwdriver
• User Manual
• Rugged Carrying Case

The Apera Instruments DO850 is the perfect choice for professionals in environmental monitoring, aquaculture, laboratory analysis, and industrial applications. With precision, durability, and ease of use, it ensures hassle-free oxygen measurement anytime, anywhere.