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Water conductivity sensor
Model：FT-S7
Brand：fengtu
Water conductivity sensor is an analytical instrument used to continuously monitor the conductivity of pure water for a variety of applications.
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1.Water conductivity sensor application environment description
Water conductivity sensor is an analytical instrument used to continuously monitor the conductivity of pure water for a variety of applications.Used for environmental water quality testing, various high/low ionic strength water sample testing, and can meet the requirements of most industrial/environmental applications for online conductivity measurement.
Signal output: RS485 (MODBUS-RTU).
Internal signal isolation technology, strong anti-interference.
Good reproducibility, thermal stability, low drift, small size, fast response
Easy and simple installation, 3/4NPT pipe thread, convenient for submerged installation or installation in pipes and tanks
Stable performance and long service life
IP68 waterproof standard
24*1.2,18*1.5*2,28*2,2
2. Water conductivity sensor technical performance and specifications
1. Technical parameters
| Measuring principle | Contact electrode method |
| Signal method | RS485 (MODBUS-RTU) |
| Measuring range | 0～5000μS/cm |
| Measurement resolution | 1 |
| measurement accuracy | ± 1.5%; ± 0.1°C |
| Response time | About 30s (98% static liquid) |
| shell material | ABS and 316L stainless steel |
| Temperature compensation | Automatic temperature compensation (M1820Z) |
| cable length | Standard 5 meters |
| Supply voltage | 12-24VDC (0.4W@12V) |
| Measurement environment | Temperature 0~50℃ (no freezing), < 0.2MPa |
| waterproof level | IP68 |
| Installation | Immersion installation, NPT3/4 thread |
2. Water conductivity sensor dimensions
The sensor connector is an M12 aviation plug connector with 5 pins.
3. Water conductivity sensor installation and electrical connection
1. Installation
Note: The sensor cannot be installed upside down or horizontally, but must be installed at an angle of at least 15 degrees.
2. Electrical installation
The cable is a 5-core shielded cable, line sequence definition: Brown - power line (12~24VDC)
Black - Ground (GND)
Blue-485A Green-485B
Yellow - 4-20mA current output (can be left floating if not used)
The wiring sequence should be carefully checked before powering on to avoid unnecessary losses due to wiring errors.
4. Water conductivity sensor maintenance and care
1. Use and maintenance
Conventional electrodes need to be cleaned and calibrated periodically. The maintenance cycle is determined by the customer based on their working conditions. Conventional electrode cleaning method: Use a soft brush to remove attachments (be careful to avoid scratching the electrode surface), then clean with distilled water, and then perform calibration operations.
Address:https://fengtutec.com/Water-quality-sensor/Water-conductivity-sensor.html
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