Dissolved oxygen meters are crucial instruments for precise oxygen measurement in various applications, from water quality analysis to environmental studies. Kalstein offers an advanced range of these devices, known for their accuracy and reliability. These devices use optical and polarographic sensor technology to provide accurate and reliable measurements under different conditions.
Kalstein has designed these meters to be robust and durable, suitable for both laboratory and field use. With auto-calibration and temperature compensation functions, these meters ensure consistent and precise results. Additionally, their ergonomic and waterproof design makes them ideal for a wide range of applications.
Characteristics of Dissolved Oxygen Meters
Dissolved oxygen meters stand out for several technical features that make them indispensable in the laboratory. These devices offer high accuracy, with the ability to measure oxygen in parts per million (ppm) or as a percentage of saturation. Moreover, many models include integrated temperature sensors that automatically compensate for thermal variations to ensure measurement accuracy.
The internal memory of these devices allows for the recording of thousands of data points with date and time stamps, facilitating data management and analysis. Most models also include backlit LCD screens, improving readability in low-light conditions, and high/low limit alarms to ensure safety and precision in laboratory use.
Why Are Dissolved Oxygen Meters Priced This Way?
The cost of dissolved oxygen meters can seem high, but it is justified by the advanced technology and precision they offer. The optical and polarographic sensors used in these devices are expensive to develop and produce, but they provide much more reliable results than cheaper methods. Additionally, the auto-calibration and temperature and salinity compensation functions add### Traducción al inglés (continuación)
Why Are Dissolved Oxygen Meters Priced This Way?
The cost of dissolved oxygen meters can seem high, but it is justified by the advanced technology and precision they offer. The optical and polarographic sensors used in these devices are expensive to develop and produce, but they provide much more reliable results than cheaper methods. Additionally, the auto-calibration and temperature and salinity compensation functions add significant value, ensuring accurate measurements under various conditions.
Another factor influencing the price is the durability and robustness of these devices. The meters are designed to withstand adverse conditions, both in the laboratory and in the field, ensuring a long lifespan and a long-term return on investment.
Comparison of Dissolved Oxygen Meters
Comparing different models of dissolved oxygen meters on the market, we find several options with varied specifications and prices. For example, the Orion Star™ A323 from Thermo Fisher offers high accuracy and a wide measurement range, with both optical and polarographic capabilities. This model is known for its durability and ease of use in the field.
On the other hand, the HI 9146 from Hanna Instruments stands out for its robust design and its ability to measure oxygen in various applications, from wastewater to environmental studies. This meter includes advanced features such as automatic calibration and salinity and altitude compensation, making it very versatile and reliable.
Pros and Cons of Dissolved Oxygen Meters
|
Pros |
Cons |
|
High precision in measurements |
High initial cost |
|
Auto-calibration functions |
Requires regular maintenance |
|
Temperature and salinity compensation |
Learning curve for new users |
|
Durability and water resistance |
Can be bulky for portable use |
|
Large memory for data recording |
Some models can be complex to calibrate |
|
Backlit LCD screen |
Battery may deplete quickly under intensive use |
|
High/low limit alarms |
Additional accessories and probes can be expensive |
|
Designed for multiple applications |
Not all models are compatible with all sensors |
Advantages of These Dissolved Oxygen Meters
One of the main advantages of these meters is their precision and reliability in various conditions. The optical and polarographic sensors ensure accurate measurements, essential for critical applications such as water quality analysis and environmental studies. Additionally, the auto-calibration function significantly reduces the time and effort needed to maintain the device in optimal conditions.
Another key benefit is the robustness and durability of these devices. Designed to withstand adverse conditions, they are ideal for both laboratory and field use, making them a long-term investment. The ability to record large volumes of data accurately and the ease of access to this information are also significant advantages.
Other Benefits of These Dissolved Oxygen Meters
In addition to the mentioned advantages, these meters offer other useful features. The ability to automatically compensate for temperature and salinity variations ensures that measurements are consistent and accurate, regardless of the environment. The high/low limit alarms add an extra layer of safety, alerting users to potential issues before they become significant errors.
The intuitive user interface and backlit LCD screens make the device easy to use, even in low-light conditions. Additionally, compatibility with a variety of probes and sensors allows for great flexibility in applications, from environmental studies to aquaculture monitoring and wastewater treatment.
Customer Reviews of Dissolved Oxygen Meters
User reviews of these meters are mostly positive, highlighting the precision and reliability of the devices. Many users appreciate the ease of use and the durability of the equipment, noting that they are ideal for both laboratory and field applications. The advanced features of auto-calibration and automatic temperature and salinity compensation are also frequently praised.
However, some users mention the high initial cost and the need for regular maintenance as potential drawbacks. Despite this, most agree that the investment is worth it due to the quality and accuracy of the measurements these devices offer.
Frequently Asked Questions
1. How accurate are these dissolved oxygen meters?
Dissolved oxygen meters are highly accurate, with an accuracy of ±0.2 mg/L or ±2% of the reading, whichever is greater.
2. Can these meters be used in adverse conditions?
Yes, they are designed to be robust and water-resistant, ideal for field and laboratory use under various conditions.
3. What types of sensors do these meters use?
They use optical and polarographic sensors, which provide precise and reliable measurements in different environments.
4. How is the calibration of these meters performed?
Calibration can be automatic, performed at one or two points with saturated air and zero oxygen solution.
5. What additional functions do these meters offer?
They offer functions such as data recording memory, high/low limit alarms, and automatic temperature and salinity compensation.
6. What is the lifespan of these meters?
They are durable devices designed for a long lifespan, with a warranty of up to three years and the ability to withstand adverse conditions.
What Does Kalstein Offer with Dissolved Oxygen Meters?
Kalstein provides high-quality dissolved oxygen meters known for their precision, reliability, and durability. With advanced features such as auto-calibration, temperature and salinity compensation, and an intuitive user interface, these devices are ideal for a wide range of applications. Additionally, their robustness and water resistance make them suitable for both laboratory and field use, ensuring accurate and reliable measurements at all times.
Looking for a fusion of innovation and quality? You’ve come to the right place. At https://kalstein.co.nz/category-product/laboratory-line/dissolved-oxygen-meters-laboratory-line/ we offer you the luxury of exploring our exclusive catalogue of laboratory equipment. We manufacture each piece of equipment with a level of excellence, making KALSTEIN the trusted brand in the market. Our intuitive and agile online purchase channels are designed for your convenience, ensuring the friendliest prices. Don’t hesitate any longer, at KALSTEIN, we bring science to life, it’s time to be part of our community. https://kalstein.co.nz/