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[China]
Trade Verify
Address: Room 502, Unit 2, Building 1, Yi Cui yuan i city, No. 11, Tangyan South Road, Yanta District, Xi'an city, Shaanxi Province, China.
Contact name:Wang
Xi'an Desun Uniwill Electronic Technology Co., Ltd. |
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Verified Suppliers
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★ 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
| Product name | Blue-green Algae Sensor |
| model | DS206 |
| principle | Fluorescence method |
| Range | 0-270, 000 cells/mL |
| Detection limit | 300 cells/mL |
| Resolution | 1 cells/mL |
| Linearity | R2>0.99 |
| temperature range | 0~ 50°C |
| Protection level | Ip68 |
| Sensor interface | Support RS-485, MODBUS protocol |
| Installation | Input type, |
| Power information | DC 5~12V, current <50mA |
| size | Φ45*175.8mm |
| Probe cable length | 10 meters (default), can be customized |
| Housing material | SS316 |
| Self-cleaning system | Have |
Blue-green algae sensors are widely used in the monitoring,
investigation and research of rivers, lakes, ponds, marine surveys,
aquaculture, drinking water sources and other scenarios.
Online blue-green algae sensor with automatic cleaning brush can be
automatically cleaned without frequent cleaning.
| Maintenance task | Recommended maintenance frequency |
| Calibrate the sensor (if required by the competent authority) | According to the maintenance schedule required by the competent authority |
| Error | Possible reason | solution |
The operation interface cannot be connected or the measurement result is not displayed. | Controller and cable connection error | Reconnect controller and |
Cable failure | Please contact us | |
The measured value is too high, too low or the value is continuously unstable | The sensor window is attached by a foreign object | Cleaning the sensor window |
| Damaged sensor sponge | Replace the sensor sponge |
Cable Definition
The power supply must be DC 5-12V +/-5%, current <50mA
4 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
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.
Our company assures first-hand buyers that there will not be any
product defects caused by substandard materials or factory
manufacturing within one year from shipment.
Because the sensor has an automatic cleaning brush and a motor, it
belongs to a dynamic seal structure. After 18 months of continuous
use, the dynamic sealing device needs to be returned to the
factory. If the buyer does not return to the factory and the sensor
enters the water or fails to work, all consequences caused by the
buyer shall be borne by the buyer If a defect is found during the
warranty period, it is promised to repair or replace the defective
product, or return the payment in addition to the first shipping
and related formalities. Any product repaired or replaced during
the warranty period will only enjoy the remaining warranty period
of the original product.
After receiving the customer's questions about product quality, our
company will confirm whether the product needs to be repaired
within two weeks; products that have not been
This warranty does not cover the following:
● Damage caused by force majeure, natural disasters, social unrest, war (published or unpublished), terrorism, civil war or any government coercion
● Damage caused by improper use, negligence, accident or improper application and installation
● Expedited or express shipping for parts or products covered by the warranty
● Travel expenses for local warranty repairs
This warranty covers all aspects of the warranty provided by our
company regarding its products.
The remedies such as repair, replacement, or refund of the payment as described above are special cases that do not violate this warranty. The remedies such as replacement or refund of the payment are for our products. Based on strict liability or other legal theories, our company is not responsible for any other damage caused by product defects or negligent operation, including the subsequent damage caused by causality with these situations.
