RDO 206A Chemins quality monitoring water do sensor
RDO-206A Chemins quality monitoring water do sensor
RDO-206A Chemins quality monitoring water do sensor
RDO-206A Chemins quality monitoring water do sensor
RDO-206A Chemins quality monitoring water do sensor
RDO-206A Chemins quality monitoring water do sensor

RDO 206A Chemins quality monitoring water do sensor

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Product Overview

Description









RDO-206A Online Fluorescence Dissolved Oxygen Sensor
RDO-206A integrated on-line fluorescence dissolved oxygen sensor is designed and fabricated based on the quenching principle of excited fluorescence by specific substances in physics. When the excitation light is shone on the fluorescent material on the surface of the fluorescent film head, the fluorescent material is excited and emits fluorescence. The quenching time of fluorescence is affected by the concentration of oxygen molecules on the surface of the fluorescent film head.By detecting the phase difference between fluorescence and excitation light and comparing with the internal calibration curve, the concentration of oxygen molecules can be calculated, and the final value can be output after temperature and salinity compensation.


1、No electrolyte is required and will not be polarized.
2、No oxygen consumption, not affected by flow rate.
3、Built-in temperature sensor, automatic temperature compensation.
4、Built-in salinity compensation, flexible parameter setting
5、Free from interference by chemicals such as sulfides
6、Small drift, rapid reaction, more accurate measurement.
7、Long service cycle, lower cost of use.
8、Simple replacement of fluorescent cap.
9、Rs-485 interface, Modbus/RTU protocol.
10、Low power consumption，anti-interference.


Products Description




Specification


Model
RDO-206A
Measuring principle
Fluorescence method
Range ability
0~20mg/L (0 - 200% saturation，25℃)
Resolution ratio
0.01mg/L，0.1℃
Precision
±2%F.S.，±0.3℃
Temperature compensation
Automatic temperature compensation（Pt1000）
Output mode
RS-485 bus, Modbus-RTU protocol
Working conditions
0～45℃、<0.2MPa
Storage temperature
-5～65℃
Installation mode
Immersion mounting
Cable length
5 meters, other lengths customizable
Power dissipation
＜0.3W@12V
Source
0.2W@12V
levels of protection
IP68
Calibration
Two-point calibration
Fluorescent cap life
Guaranteed use for one year (under normal use)
Sensor shell material
POM and 316L stainless steel










HangZhou CHEMINS INSTRUMENT Co.,LTD was established in 2011, is a high-tech enterprise specializing in water environment monitoring.The company has a complete research, product, sales and technical service team, dedicated to the innovation and application of various water environment monitoring technologies, providing professional and comprehensive sensor solutions for river and lake water quality monitoring and marine environment monitoring.




FAQ


1. who are we?
We are based in Shandong, China, start from 2011,sell to Domestic Market(30.00%),Southeast Asia(15.00%),South
America(10.00%),Western Europe(10.00%),Northern Europe(6.00%),South Asia(5.00%),Eastern Europe(5.00%),North
America(5.00%),Africa(3.00%),Southern Europe(3.00%),Mid East(3.00%),Eastern Asia(2.00%),Central America(2.00%),Oceania(1.00%).
There are total about 51-100 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
PH meter,Conductivity meter,Turbidity sensor,COD meter,dissolved oxygen meter

4. why should you buy from us not from other suppliers?
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5. what services can we provide?
Accepted Delivery Terms: FOB,CFR；
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,Credit Card,PayPal,Western Union,Escrow;
Language Spoken:English,Chinese


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