Advantages of Using ABB Optical dissolved oxygen sensor in Water Quality Monitoring
Water quality monitoring is a crucial aspect of ensuring the safety and sustainability of our water resources. One key parameter that is often monitored is dissolved oxygen levels, as it is a critical indicator of the health of aquatic ecosystems. Traditionally, dissolved oxygen levels have been measured using electrochemical sensors, which can be prone to drift and require frequent calibration. However, ABB offers an innovative solution with their optical dissolved oxygen sensor.
| model | pH/ORP-5500 series pH/ORP online transmitting controller | |
| Measurement range | pH | 0.00~14.00 |
| ORP | -2000mV~2000mV | |
| Temp. | ( 0.0~50.0)℃ (temperature compensation component:NTC10K) | |
| Resolution | pH | 0.01 |
| ORP | 1mV | |
| Temp. | 0.1℃ | |
| accuracy | pH | 0.1 |
| ORP | ±5mV（electronic unit） | |
| Temp. | ±0.5℃ | |
| Approximate input impedance | 3×1011Ω | |
| Buffer solution | pH value: 10.00；9.18；7.00；6.86；4.01；4.00 | |
| Temp. compensation range | (0~50)℃（with 25℃ as standard）Manual and automatic temperature compensation | |
| (4~20)mA | characteristics | Isolated,fully adjustable,reverible,instrument/transmitter for selection |
| Loop resistance | 500Ω（Max），DC 24V | |
| accuracy | ±0.1mA | |
| Control contact | Electrical contacts | Double relay SPST-NO,return model |
| Loop capacity | AC 220V/AC 110V 2A(Max)；DC 24V 2A(Max) | |
| Power consumption | ＜3W | |
| Working environment | temperature | (0~50)℃ |
| humidity | ≤85％RH(none condensation) | |
| Storage environment | Temp.(-20-60) ℃;relative humidity:≤85%RH(none condensation | |
| Outline dimension | 96mm×96mm×105mm（H×W×D） | |
| Hole dimension | 91mm×91mm(H×W) | |
| installation | Panel mounted,fast installation | |
The ABB optical dissolved oxygen sensor utilizes luminescent technology to measure dissolved oxygen levels in water. This technology offers several advantages over traditional electrochemical sensors. One of the main advantages is its stability and reliability. The optical sensor is not affected by fouling or drift, which can be common issues with electrochemical sensors. This means that the ABB sensor provides accurate and consistent measurements over time, reducing the need for frequent calibration and maintenance.
In addition to its stability, the ABB optical dissolved oxygen sensor also offers a fast response time. This means that changes in dissolved oxygen levels can be detected quickly, allowing for rapid adjustments to be made if necessary. This is particularly important in dynamic environments, such as rivers or lakes, where dissolved oxygen levels can fluctuate rapidly.
Another advantage of the ABB optical dissolved oxygen sensor is its low maintenance requirements. The sensor is designed to be self-cleaning, reducing the need for manual cleaning and maintenance. This not only saves time and effort but also ensures that the sensor remains in optimal working condition for longer periods of time.
Furthermore, the ABB optical dissolved oxygen sensor is highly accurate, providing precise measurements of dissolved oxygen levels in water. This accuracy is essential for ensuring the reliability of water quality data and making informed decisions about water resource management.
The ABB optical dissolved oxygen sensor is also easy to install and operate. The sensor can be easily integrated into existing monitoring systems, making it a cost-effective solution for water quality monitoring. Additionally, the sensor is user-friendly, with a simple interface that allows for easy calibration and configuration.
| Model | pH/ORP-1800 pH/orp meter |
| Range | 0-14 pH; -1600 – +1600mV |
| Accuracy | ±0.1pH; ±2mV |
| Temp. Comp. | Manual/Automatic temperature compensation; No Comp. |
| Oper. Temp. | Normal 0～50℃; High temp 0～100℃ |
| Sensor | pH double/triple sensor; ORP sensor |
| Display | 128*64 LCD Screen |
| Communication | 4-20mA output/RS485 |
| Output | High/Low limit dual relay control |
| Power | AC 220V±10% 50/60Hz or AC 110V±10% 50/60Hz or DC24V/0.5A |
| Working Environment | Ambient temperature:0～50℃ |
| Relative humidity≤85% | |
| Dimensions | 96×96×100mm(H×W×L) |
| Hole Size | 92×92mm(H×W) |
| Installation Mode | Embedded |
Overall, the ABB optical dissolved oxygen sensor offers a range of advantages for water quality monitoring. Its stability, reliability, fast response time, low maintenance requirements, accuracy, and ease of use make it an ideal choice for monitoring dissolved oxygen levels in water. By utilizing this innovative technology, water resource managers can ensure the health and sustainability of aquatic ecosystems for future generations.
