Dissolved Oxygen Meters
Dissolved oxygen meters are essential instruments used to measure the concentration of oxygen dissolved in liquids, which is critical for various scientific, environmental, and industrial applications. These meters help monitor water quality in environmental studies, wastewater treatment, aquaculture, and chemical processes, ensuring the health and safety of aquatic ecosystems and industrial processes.
Our dissolved oxygen meters come in a range of configurations, from portable handheld devices to benchtop models, offering precise, reliable, and real-time measurements. Their applications span from laboratories and environmental monitoring stations to clinical and veterinary practices, providing accurate data vital for analysis and decision-making.

What You Need to Know Before Selecting a Dissolved Oxygen Meter and Making an Investment
Key Factors to Consider
When selecting a dissolved oxygen meter, it is essential to consider the accuracy level and sensitivity of the device, as oxygen concentrations can be very low and require precise detection. The sensor type, whether optical or electrochemical, impacts performance and maintenance requirements. Portability and ease of calibration are also critical factors depending on whether the meter will be used in the field or a stationary lab.
Another important factor is the sample environment, including temperature, pressure, and chemical composition, which can affect dissolved oxygen readings. Therefore, it is vital to choose a meter with compensation features for temperature and salinity. Durability and resistance to fouling are also crucial to ensure consistent operation over time, especially in industrial or aquatic settings.

Price Range in the Market
The price range for dissolved oxygen meters varies significantly based on model complexity, sensor type, and included features. Basic portable meters start at a lower price point suitable for educational or simple environmental applications, while advanced benchtop meters with multi-parameter measurement and data logging capabilities can be more expensive, reflecting their precision and versatility.
Additional costs may include consumables such as sensor membranes and electrolyte solutions, calibration standards, and potential maintenance services. Budgeting should also consider the expected frequency of use and the critical nature of measurements to determine the best value investment for your laboratory or clinical environment.

Quality-Price Ratio
The best quality-price dissolved oxygen meters balance accuracy, ease of use, and durability. Investing in a reputable brand like Kalstein ensures the meter meets stringent performance standards with reliable customer support. An affordable meter that lacks calibration stability or uses outdated technology may lead to inaccurate results and increased long-term costs.
Kalstein’s dissolved oxygen meters offer an excellent balance by providing precise measurements with robust construction at competitive prices. Our products are designed to minimize the need for frequent maintenance and sensor replacement, enhancing overall cost-effectiveness and operational life.

Lifespan Expectancy According to Use and Maintenance
The lifespan expectancy of dissolved oxygen meters depends heavily on usage frequency, sensor type, and maintenance procedures. Proper calibration and regular sensor replacement extend the device’s longevity. Optical sensors typically last longer and require less upkeep than electrochemical sensors, which need periodic membrane and electrolyte changes.
By following recommended cleaning protocols and avoiding exposure to harsh chemical environments, dissolved oxygen meters can maintain accuracy and functionality for many years. Kalstein provides detailed maintenance guidelines to maximize the service life of your instrument.

DISSOLVED OXYGEN METERS KALSTEIN
Among so many products, at Kalstein you can find the ideal dissolved oxygen meter for your Laboratory
Not sure which dissolved oxygen meter to buy? Choosing the right dissolved oxygen meter involves considering accuracy, durability, calibration ease, and compatibility with your specific application needs. We guide you to select the best option that matches your laboratory’s requirements to ensure precise and reliable oxygen measurement every time.

Benchtop pH/Conductivity/DO Meter YR06385
The Benchtop pH/Conductivity/DO Meter YR06385 is an advanced, multifunctional laboratory tool designed for precise and r…

Benchtop Ph/DO Meter YR06383
The Benchtop Ph/DO Meter YR06383 stands out with its 7-inch colored capacitive touch screen, offering high resolution an…

Portable Dissolved Oxygen Meter YR06380
The Portable Dissolved Oxygen Meter YR06380 is a cutting-edge instrument meticulously designed for accuracy and dependab…

Benchtop DO / BOD / OUR / SOUR Meter YR01831
The Benchtop DO / BOD / OUR / SOUR Meter YR01831 is a state-of-the-art laboratory device designed to offer precise measu…
Our dissolved oxygen meter most sold
The Benchtop pH/Conductivity/DO Meter YR06385 is an advanced, multifunctional laboratory tool designed for precise and reliable measurement of pH, conductivity, and dissolved oxygen levels. It features a 7-inch colored capacitive touch screen that offers high resolution and sensitivity for seamless operation. Engineered with a built-in microprocessor chip, this device offers intelligent functionalities like automatic calibration, automatic temperature compensation (ATC), data storage, clock display, USB output, settings customization, wireless printing, and self-diagnosis information.
This meter supports wireless Bluetooth printing and enables real-time data transfer to a mobile phone via Bluetooth, making data management highly efficient. It can store up to 1000 sets of test data, which can be easily saved and transferred to a USB memory stick to be opened with Excel for detailed analysis. With its smart electrode status display, accuracy is assured, ensuring precise results every time.
| Model | YR06385 | |
| pH | Measurement range | (-1.999 ~ 19.999)pH |
| Resolution | 0.1/0.01/0.001 pH | |
| Accuracy | Electrode: ±0.002 pH, Meter: ±0.01 pH | |
| Input current | ≤1×10-12 A | |
| Input impedance | ≥3×1012 Ω | |
| Stability | ±0.002 pH/3h | |
| Temperature compensation | (0 ~ 100)ºC, auto or manual | |
| mV | Measurement range | -1999.9mV ~ 0 ~ 1999.9mV |
| Resolution | 0.1 mV | |
| Accuracy | ±0.03% FS | |
| Conductivity | Measuring range | Conductivity: |
| (0.00~20.00)μS/cm | ||
| (20.0~200.0)μS/cm | ||
| (200~2000)μS/cm | ||
| (2.00~20.00)mS/cm | ||
| (20.0~200.0)mS/cm | ||
| (200~2000)mS/cm(K=10) | ||
| TDS:(0 ~ 100)g/L | ||
| Salinity:(0 ~ 100)ppt | ||
| Resistivity:(0 ~ 100)MΩ·cm | ||
| Resolution | 0.01/0.1/1μS/cm; 0.01/0.1mS/cm | |
| Accuracy | Electrode: ±0.5% FS, Meter: ±0.8% FS | |
| Temp. compensation range | (0 ~ 50)ºC, auto | |
| Electrode constant | 0.1/0.5/1/5/10/50/100 cm-1 | |
| Reference Temp. | 25ºC,20ºC,18ºC | |
| DO | Measuring range | (0 ~ 20.00)mg/L(ppm) (0 ~ 200.0)% |
| Resolution | 0.1/0.01 mg/L(ppm) 1/0.1 % | |
| Accuracy | Electrode: ±0.10 mg/L, Meter: ±0.40 mg/L | |
| Response time | ≤30s (25ºC, 90%response) | |
| Residual current | ≤0.1 mg/L | |
| Temp compensation | (0 ~ 45)ºC (automatic) | |
| Salinity compensation | (0 ~ 45) ppt (automatic) | |
| Pressure compensation | (80 ~ 105) kPa (automatic) | |
| Automatic calibration | Air saturated by water; water saturated by air | |
| Electrode type | Polarographic | |
| Temperature | Range | (-10 ~ 110)ºC |
| Resolution | 0.1ºC | |
| Accuracy | 5 ~ 60ºC:±0.4ºC Others: ±0.8ºC | |
| Other Parameters | Display | 7-inch colored capacitive touch screen |
| Data storage | 2000 sets | |
| Power | 12V (110-220, 50-60Hz adapter) | |
| Communication interface | USB, RS232, Bluetooth | |
| Dimensions&Weight | 240×170×70mm/600g | |
| Working Conditions | Temperature | 15 ~ 30 ºC |
| Humidity | ≤85% | |
| IP grade | IP54 | |

Accurate oxygen measurement is vital for effective water quality control.

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Comprehensive Comparison: Benchtop Conductivity/DO Meter YR06384 vs. Orion Star A215
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Advanced Comparison: Kalstein YR01835 Benchtop Meter vs. Thermo Fisher Scientific Orion™ Versa Star Pro
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Dissolved oxygen meters on sale
Kalstein constantly updates its dissolved oxygen meters for superior reliability.
Explore comprehensive guides to choosing and using dissolved oxygen meters efficiently in your lab or facility.
Kalstein’s expert recommendations and comprehensive guides help you optimize dissolved oxygen meter use with proper calibration, maintenance, and best application practices for reliable measurements.
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FAQs
The delivery time for your Kalstein product will depend on the following:
- Whether the equipment of your interest is in stock or needs to be manufactured.
- The type of freight chosen, which can be either air or sea.
- Equipment in stock:
– Delivery Time (Air): 15-30 days.
– Delivery Time (Sea): 45-60 days.
- Equipment not in stock:
– Delivery Time (Air): 30-60 days.
– Delivery Time (Sea): 60-90 days.
You can make your purchase through:
- Email: [email protected]
- Phone: +33 (0) 1 70 39 26 50
- E-commerce: Through Kalstein’s official website in your country.
At Kalstein, we provide our clients with training and technical support through new online methods. You can visit our induction videos, technical assistance, and guidance offered by a Kalstein team on our YouTube channel (Kalstein English). HERE.


