Dissolved oxygen analyzer is a professional instrument used to measure the dissolved oxygen content in water bodies, widely used in environmental monitoring, water quality analysis, aquaculture, sewage treatment and other fields. Its main characteristics can be reflected from multiple dimensions such as measurement performance, ease of use, and functional design, as follows:

1、 High precision measurement, reliable data

·High sensitivity sensorUsing polarographic or fluorescence sensors, it can quickly respond to small changes in dissolved oxygen in water, and the measurement accuracy can usually reach ±0.1 mg/L(or±1%Saturation) to ensure data accuracy.

·Temperature compensation functionThe dissolved oxygen content is significantly affected by water temperature. The instrument has a built-in temperature sensor that can automatically compensate for temperature fluctuations and eliminate the interference of water temperature fluctuations on measurement results. It is especially suitable for scenarios with large water temperature changes (such as natural water bodies and aquaculture ponds).

2、 Easy to operate and highly applicable

·rapid detectionAfter startup, there is no need for prolonged preheating, and some portable instruments can achieve this “Open and test immediately”The detection process only takes a few seconds to minutes, making it suitable for rapid on-site screening.

·Diversified models：

oportableCompact in size and lightweight, equipped with a suitcase or lithium battery, convenient for field and on-site operations (such as river and lake sampling and testing).

odesktopMore stable performance, suitable for high-precision analysis in laboratories, supporting continuous monitoring and data recording.

oonlineCan be fixedly installed in water bodies (such as sewage treatment tanks and breeding tanks), real-time monitoring of dissolved oxygen changes and linked alarms, suitable for automated control systems.

·user-friendly designLarge screen LCD display, clear and intuitive data; Some models support Chinese menus, with simple operation steps that do not require professional training to get started.

3、 Rich functionality and strong scalability

·Switching between multiple measurement units: Can be in “mg/L”(milligrams)/Upgrade) and“%saturation”The percentage of dissolved oxygen to saturated dissolved oxygen can be freely switched to meet the expression needs of different scenarios.

·Data storage and exportBuilt in storage function, capable of recording thousands of sets of measurement data (including time, date, and value), supported by some modelsUSBInterface or Bluetooth transmission, convenient for exporting data to a computer for analysis and report generation.

·Automatic calibration functionSupport air calibration (using known oxygen content in the air for calibration) or standard solution calibration to ensure measurement accuracy during long-term use. Some models can achieve automatic calibration to reduce human operation errors.

·alarm functionOnline instruments can set upper and lower threshold values for dissolved oxygen. When the value exceeds the range, an alarm will be triggered through sound, light, relay, and other means to promptly remind users to take control measures (such as oxygenation in aquaculture).

4、 Strong durability and adaptability to complex environments

·Sensor anti-interference capabilitySome sensors are designed with anti pollution membranes or fluorescent caps to reduce the adhesion and interference of impurities, algae, and chemicals in the water, extend their service life, and reduce maintenance frequency.

·Waterproof and moisture-proof designPortable instruments typically haveIP67Waterproof performance above grade, able to work normally in humid environments or brief immersion in water; The casing of online sensors is mostly made of corrosion-resistant materials, such as stainless steelPVC）Adapt to complex water bodies such as sewage and seawater.

·Wide rangeThe measurement range usually covers0-20 mg/L(or0-200%Saturation can meet the full scenario measurement needs from low oxygen (such as anaerobic wastewater treatment) to high oxygen (such as oxygen enriched aquaculture water).

summary

The core characteristics of dissolved oxygen analyzer can be summarized as follows: “High precision, easy to operate, multifunctional, anti-interference”Its design balances the rigor of laboratory analysis and the flexibility of on-site monitoring, providing reliable dissolved oxygen data support for fields such as water quality management, ecological protection, and industrial production. Different types of instruments (portable, desktop, online) can be selected according to specific needs to achieve efficient and accurate dissolved oxygen monitoring.