The KSA-CDW-01 conductivity digital sensor comprises a CPVC shell and graphite as the measuring material. In difficult industrial water quality circumstances, conductivity is always checked. With NTC10K automatic temperature correction, it can handle water bodies with low, medium, and high conductivity. It gives accurate conductivity data for controlling water quality and making processes better in power plants, chemical plants, environmental water treatment, and other tough places. Pro system for detecting industrial conductivity.
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Parameters
| Item | Specification |
|---|---|
| Measuring Material | Graphite |
| Shell Material | CPVC |
| Measuring Range | 0-30000/300000 μS/cm |
| Measuring Accuracy | ±1%F.S |
| Temperature Compensation | NTC10K (Automatic) |
| Temperature Range | 0-80℃ |
| Operating Temperature | 0-45℃ |
| Working Pressure | ≤0.6MPa |
| Waterproof Grade | IP68 |
| Power Supply | 12VDC |
| Signal Output | RS485 (Modbus/RTU Protocol) |
| Connection Mode | 4-core Cable |
| Installation Thread | Upper & Lower 3/4NPT |
| Cable Length | 10m standard, extendable to 100m |
| Calibration Method | Standard Solution Calibration, Sample Calibration |
| Applicable Medium | Aqueous solution (industrial water, pure water, wastewater etc.) |
Why choose KSA-CDW-01 conductivity digital sensor?
- Measurements that are accurate and consistent: a range of ± 1999mV, a high resolution of 1mV, and a precision of ± 5mV. This allows for minor changes in ORP to be recorded and the redox status of the water body to be restored.
- Smart temperature control: The gadget has a PT1000 thermistor that automatically adjusts the temperature from 0 to 50 °C, making sure that the data is steady in all situations.
- It also has a simple single-point calibration that doesn’t need to be done often to stay accurate. To calibrate, put the probe in a standard solution and then type in the offset value.
- The 3/4″ NPT universal interface is standardized and lets you insert, circulate, sink, and install pipelines (with a tilt of at least 15 °). This makes it easy to connect to pipelines already in place.
Featured Applications
- Power plant water treatment: monitoring the conductivity of cooling water, makeup water, condensate water, and boiler water, and controlling the water quality standards for power plant water production and use
- Petrochemical industry: Electrical conductivity monitoring of process water, circulating water, and chemical wastewater to prevent abnormal water quality from affecting production processes and equipment safety
- Environmental water treatment: Conductivity testing of influent, effluent, and biochemical tanks in sewage treatment plants to reflect water pollution status and treatment effectiveness
- Light Industry Electronics: Electronic grade pure water and electroplating wastewater conductivity monitoring to meet high-precision production water and wastewater treatment water quality requirements
Installation and wiring
Installation requirements
- Using upper and lower 3/4NPT threaded connectors to connect industrial pipes makes the installation sturdy enough to stop leaks and loosening. You can use it with both immersion and pipeline installation methods.
- Make sure the water temperature and pressure are within the sensor’s rated range before you put it in. This will keep it from getting damaged from too much use.
- Put in areas where the water flows slowly so that contaminants, thick bubbles, and severe electromagnetic interference don’t build up and make it impossible to get reliable readings.
- Keep industrial power lines and cable wires apart, and fix and secure cables so that water and wear don’t get in the way of communication.
- Shielded cables maintain the signal strong and make sure that data transfers are stable over 50 meters.
Electrical wiring (four wire system, color coded)
| Cable Core No. | Sensor Wire Color | Signal Definition |
|---|---|---|
| 1 | Blue | +9-36VDC (Power Positive) |
| 2 | Yellow | AGND (Analog Ground) |
| 3 | Red | RS485 A (Signal A) |
| 4 | Green | RS485 B (Signal B) |
After the wiring is completed, it is necessary to carefully check to confirm that there is no reverse or virtual connection, in order to avoid damaging the sensor after power on; Keep the wiring connections dry to prevent moisture.
Maintenance and Care
Calibration Specification
- Calibration of standard solution: Select the conductivity standard solution of the corresponding range, immerse the sensor probe into the standard solution, and complete the calibration according to the communication protocol after the value stabilizes. It is suitable for working conditions with relatively stable water quality
- Sample calibration: Based on the actual water sample on site as the calibration benchmark, combined with a high-precision portable conductivity meter for comparison, sensor calibration is completed, suitable for industrial complex water quality, and the measurement data is more in line with actual working conditions
- Calibration precautions: Before calibration, clean the surface of the probe with distilled water, wipe it dry, and then immerse it in calibration solution; During the calibration process, keep the solution stirred evenly to avoid interference from temperature and impurities
Routine Maintenance
- Regularly inspect the surface of the sensor probe, determine the cleaning cycle based on the cleanliness of the water sample, and ensure that the electrode surface is free of dirt and sediment accumulation
- When the probe is contaminated, use a 50% warm detergent or household soap powder with a nylon brush to scrub it, then rinse thoroughly with distilled water. Do not touch the electrode surface with your fingers
- For sediment with strong adhesion, it can be cleaned by soaking in a 2% dilute hydrochloric acid solution for a short period of time, and then rinsed with clean water to avoid long-term corrosion of the electrode by strong acid
- Regularly check the dryness of cables and connectors to prevent poor contact caused by water ingress and corrosion. If cables are damaged, they should be replaced with specialized cables in a timely manner
Technical Support
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The KSA-CDW-01 intelligent conductivity sensor is designed for severe industrial water treatment. Its graphite electrodes resist corrosion, it can adapt to many situations, and it has solid industrial protection. The IP68 waterproof, CPVC sensor can handle acid, alkali, and humidity in industrial applications. From manufacturing power plant water to treating wastewater for the environment, from chemical operations to clean water, you may verify the site’s conductivity. Industrial-grade sensor technology controls water treatment operations with precision, durability, and no hassles in KSA-CDW-01!
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