Multi-point calibration RS485 conductivity sensor for industrial online monitoring
Conductivity is a measure of the ability of a solution to transmit or transmit electrical current. The term conductivity comes from Ohm's law, U = I•R; where voltage (U) is the product of current (I) and resistance (R); the value of resistance is obtained from voltage/current. When a voltage is passed through a conductor, electrons flow to form a current whose magnitude depends on the resistance of the conductor. Conductivity is simply defined as the inverse of the resistance of the solution between the two electrodes.
Conductivity sensors measure the conductivity of a solution. The ions in the solution make the solution conductive: the higher the ion concentration, the higher the conductivity.
Measuring conductivity ratios in aqueous solutions is increasingly important for the measurement of impurities in water or the concentration of dissolved chemicals. DRFN online conductivity probes are designed to monitor pure water, chemical processes, and pharmaceutical processes. These conductivity sensors provide accurate and reliable measurements to ensure process control and compliance.
Specification:
| Product Name | Conductivity sensor |
| Product Model | DEC790-YD01A |
| Brand Name | Daruifuno |
| Measuring Principle | Graphite 2-electrode |
| Electrical Isolation | Without |
| Measuring Range | Automatic switch:
0~200.0 μS/cm
0~2000 μS/cm
0.00~10.00 mS/cm
0~50℃ |
| Resolution | 0.01μS/cm 0.1℃ |
| Accuracy | 1% of full scale |
| Temperature Compensation | Automatic, built-in temperature unit |
| Calibration Method | Multi-point calibration |
| Work Pressure | 0~6Bar |
| Operating Temperature | 0.0~50.0℃ |
| Shell Material | Enhanced ABS |
| Dimension | Diameter: 35mm Total length: 260 mm ( include cleaning cover) |
| Installation Size | 1"NPT at both ends of the installation thread;
insertion depth 100 (including cleaning plug 115) |
| Protection Grade | IP68 |
Please click the user manual of RS485 EC sensor here:
DEC79 User Manual.pdf
Features＆ Advantages
● Electrically isolated communication and power interface, strong anti-interference ability
● 4-electrode or 2-electrode structure, automatic range switching, easy to clean
● All-in-one package, can be used with online transmitters, DTU, and portable instruments
● RS485 interface, Modbus RTU, support access to standard industrial control system
● Protection grade IP68, can work continuously and stably under water for a long time
● Internal storage of calibration data, support offline calibration, plug and play on site
Aplication:
Water treatment monitoring
Drinking water,surface water,water quality analyze,ground water,ect.
Industrial process monitoring and dosing control
Chemical,petroleum,paper,food and medicine,PCB manufacturing,etc.
FAQ
Q1. What is the wire length of the conductivity electrode?
A: The Conductivity electrode wire 1m by default, the length can be customed according to the exact demand in site.
Q2. What is the measuring principle of the conductivity sensor?
A: Graphite 2-electrode.
Q3. What is the advantage of digital conductivity sensor?
A: The digital conductivity sensor is conducive to long-distance signal transmission without serious signal attenuation. The sensor has RS485 interface, standard Modbus RTU communication protocol.
Q4. Can the conductivity sensor work under water?
A: Certainly. The protection grade of the conductivity sensor is IP68, it can work under water for a long time.
Q5. Can this conductivity controller measure the resistivity, TDS and salinity of water?
A: Our controller can measure the conductivity, resistivity, TDS and salinity of water. Because there is a relationship between these quantities.
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