DS206 Blue Green Algae Probe MODBUS Protocol Water Quality Monitoring Sensor
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DS206Fluorescent blue-green algae sensor for water quality monitoring in rivers and lakes RS485, MODBUS protocol IntroductionThe online blue-green algae sensor uses the principle of
fluorescence method, which is more efficient and faster than the
traditional manua counting method, and can be monitored in real
time online. The senso has better repeatability and stability. With
automatic cleaning brush, it can eliminate air bubbles and reduce
the impact of contamination on the measurement, make the
maintenance cycle longer, and maintain excellen stability for
long-term online use It can play an early warning role on algae
reproduction. Features★ Digital sensor, RS-485 output, support MODBUS ★ With automatic cleaning brush to prevent contamination and eliminate air bubbles ★ Direct measurement, simpler than traditional manual counting method ★ Continuous online monitoring, real-time control of water quality dynamics
Technical parameter
Calibration instructions
1,Calibration of blue-green algae sensors: The blue-green algae sensor software (see the modbus manual) supports 2-point calibration. The more common environmental research dye, rhodamine B, can be used in sensor calibration. 2,Preparation
3,Use Rhodamine B shows that the fluorescence intensity is inversely proportional to temperature. Use 100 ppb rhodamine B standard solution. To properly set the sensor to ensure the sensitivity of algae blue-green algae at 20 ° C, enter the calibration value according to the temperature standard corresponding to the table below. (The table below shows algae blue-green algae as a function of temperature approximately equal to 100 ppb rhodamine B)
Note: The calibration using rhodamine B standard solution is only an approximate value. To ensure accurate readings, the fluorescence readings obtained on site must be linked to the results obtained from the extraction analysis of the above samples. Yushan used Rhodamine B (Item # 70301027) from Keystone. Warning: Rhodamine B is listed as a substance that may cause carcinogenesis / induction of organism mutations. Gloves must be worn during operation. Maintenance methods and common problems Maintenance schedule and methodI. Maintenance scheduleOnline blue-green algae sensor with automatic cleaning brush can be automatically cleaned without frequent cleaning.
2. Maintenance method Sensor maintenance
3) Check whether the measurement window of the sensor is dirty and whether the cleaning brush is normal.
Frequently Asked Questions
Cable Definition Power informationThe power supply must be DC 5-12V +/-5%, current <50mA Cable information4 wire AWG-24 or AWG-26 shielding wire. OD=5mm
1, red line - power supply (VCC) 2, white line - 485 data _B (485_B) 3, green line --- 485 data _A (485_A) 4, black line --- ground (GND) 5, bare line shielding layer About Us Xi'an Desun Uniwill Electronic Technology Co., Ltd (Hereinafter referred to as Disen Sensing Company) is located in Xi'an High-tech Development Zone. It is a high-tech company integrating production, R&D, sales and engineering services. Relying on Xi'an's rich high-tech resources, we have carried out technical cooperation with many universities and scientific research institutions, constantly breaking through technical barriers, improving product performance, and using leading technology to provide high-quality products for the water quality monitoring industry. We launched a wireless water quality monitoring solution based on the current rapid development of the Internet of Things technology, combining smart terminals and traditional display units through wireless transmission to achieve real-time dynamic water quality monitoring functions such as data cloud display, remote cloud control, and upper and lower limit alarms. |
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Product Tags: DS206 Blue Green Algae Probe Blue Green Algae Probe MODBUS Protocol MODBUS Protocol Water Quality Monitoring Sensor |
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