Measuring dissolved ozone in water doesn’t have to be complicated. The OZ-2 Ozone Test Kit from Hach is a compact, affordable solution designed for quick and accurate ozone testing in the field or laboratory. Using a simple color comparator method, the OZ-2 makes it easy to determine ozone levels in water in just minutes.
Key Features
- Measurement Range: 0 – 2.2 ppm dissolved ozone
- Extended Range: Up to 8.8 ppm by diluting the sample with ozone-free water
- Color Comparator Method: Visual color wheel makes ozone readings simple and reliable
- Compact & Portable: Ideal for field testing or on-site use
- Low Cost: Affordable kit with economical refill options
Easy-to-Use Test Packets
The OZ-2 kit uses pre-measured test packets, ensuring consistent results with minimal preparation. Each kit includes:
- 100 test packets (enough for 100 ozone tests)
- Color comparator wheel for fast visual readings
- Accessories for sample collection and dilution
Refill kits are available at a low cost, making the OZ-2 a practical long-term testing option.
Measurement Method
The color comparator method provides a visual match between the water sample and the calibrated color wheel. This straightforward process allows operators to quickly determine ozone concentration without requiring advanced equipment.
For higher ozone concentrations, samples can be diluted with ozone-free water, extending the effective measurement range up to 8.8 ppm.
Applications
The OZ-2 Ozone Test Kit is ideal for:
- Drinking water systems
- Cooling towers
- Food and beverage processing
- Bottled water production
- Aquaculture and fish hatcheries
- Research and laboratory use
Why Choose the OZ-2?
The Hach OZ-2 Ozone Test Kit is widely recognized as a reliable, easy-to-use tool for monitoring dissolved ozone. Whether you need quick field tests or routine water quality monitoring, the OZ-2 provides:
- Fast results in minutes
- Accurate readings up to 2.2 ppm (extendable to 8.8 ppm)
- Affordable testing with 100 tests per kit
With its simple operation and proven performance, the OZ-2 is a standard choice for anyone needing practical ozone measurement in water.
You can find this product here: https://www.gas-sensing.com/ozone-oz-2.html


