Tianqiong Sensor IOT Technology Co., Ltd
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Salinity sensor
Model：FT-S7H
Brand：tianqiong
Salinity sensor easily and accurately measures the total dissolved salt content in aqueous solutions and is used in aquaculture, water source testing, sewage treatment and other fields.
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1.Salinity sensor application environment description
Salinity sensor easily and accurately measures the total dissolved salt content in aqueous solutions and is used in aquaculture, water source testing, sewage treatment and other fields.It is used for environmental water quality detection and various high/low ionic strength water sample testing, which can meet the requirements of most industrial/environmental applications for online conductivity, salinity, and TDS measurement.
Signal output: RS485 (MODBUS-RTU).
Internal signal isolation technology has strong interference.
Good reproducibility, thermal stability, low drift, small size, fast response speed
Easy to install, simple, 3/4NPT pipe threads, easy to sink-in installation or install in pipes and tanks
Stable performance and long service life
IP68 waterproof standard
24*1.218*1.5*228*22
2.Salinity sensor technical performance and specifications
1.Technical parameters
| Measurement principle | Contact method of electrode |
| Signal mode | RS485 (MODBUS-RTU) |
| Conductivity measurement range | 0～30000μS/cm 0-30mS/cm |
| Electrical conductivity resolution | 1μS/cm 0.01mS/cm |
| Salinity measurement range | 0-10000ppm 0-30ppt |
| Salinity resolution | 1ppm 0.01ppt |
| TDS measurement range | 0-10000ppm 0-30ppt |
| TDS resolution | 1ppm 0.01ppt |
| Measurement accuracy | ±1.5%; ±0.1°C |
| Response time | 约30s(98% still liquid) |
| Case material | ABS |
| Temperature compensation | Automatic temperature compensation (M1820Z) |
| Cable length | Standard 5 meters |
| Supply voltage | 12-24VDC (0.4W@12V) |
| Measuring the environment | Temperature 0~50℃ (no freezing), <0.2MPa |
| Waterproof grade | IP68 |
| Installation method | Immersed installation, NPT3/4 thread |
2.Salinity sensor size diagram
3.Salinity sensor installation and electrical connection
1.Salinity sensor installation
Note: The sensor cannot be installed inverted or horizontally when installed, and should be installed at least 15 degrees above the angle of inclination.
2.Electrical installation
The cable is a 4-core shielded wire:
Red—Power cable blue/black—Ground cable green—485B yellow—485A
Different production batches, the cable colors vary slightly.Please refer to cable silkscreen for details.
Four.Salinity sensor maintenance and maintenance
1.Use and maintain
Conventional electrodes require periodic cleaning and calibration, and the maintenance cycle is determined by the customer according to their working conditions.Conventional electrode cleaning methods:
Address:https://www.tianqiongsensor.com/Water-quality-sensor/Salinity-sensor.html
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